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CAS No. : | 673-66-5 | MDL No. : | MFCD00003271 |
Formula : | C7H13NO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | CJYXCQLOZNIMFP-UHFFFAOYSA-N |
M.W : | 127.18 | Pubchem ID : | 12657 |
Synonyms : |
|
Num. heavy atoms : | 9 |
Num. arom. heavy atoms : | 0 |
Fraction Csp3 : | 0.86 |
Num. rotatable bonds : | 0 |
Num. H-bond acceptors : | 1.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 40.57 |
TPSA : | 29.1 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.91 cm/s |
Log Po/w (iLOGP) : | 1.52 |
Log Po/w (XLOGP3) : | 0.24 |
Log Po/w (WLOGP) : | 0.69 |
Log Po/w (MLOGP) : | 0.83 |
Log Po/w (SILICOS-IT) : | 1.77 |
Consensus Log Po/w : | 1.01 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -0.78 |
Solubility : | 21.1 mg/ml ; 0.166 mol/l |
Class : | Very soluble |
Log S (Ali) : | -0.41 |
Solubility : | 49.3 mg/ml ; 0.388 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -1.73 |
Solubility : | 2.39 mg/ml ; 0.0188 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.07 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | Stage #1: 7-amino-heptanoic acid lactam With bis(cyclopentadienyl)dihydrozirconium; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane at 20℃; Glovebox; Inert atmosphere; Stage #2: With hydrogenchloride In diethyl ether; water for 2h; Glovebox; Inert atmosphere; | 2. Experimental General procedure: In a nitrogen-filled glovebox, to a 15 mL reaction tube equipped with a magnetic stirrer, were added Cp2ZrH2 (0.01mmol, 2.2 mg) as the catalyst, and the appropriate amide (0.2mmol); solvent was added when necessary. HBpin (3 equiv. peramide functional group) was then added, and the reaction tube was taken out from the glovebox and stirred at room temperature for 12-48 h. The resultant crude amines were either isolated using silica gel flash chromatography, or acidified by stirring with HCl in Et2O (2 mL, 1N) for 2 h, after which time precipitation was observed. Then, the reaction solution was transferred to a centrifuge tube and centrifuged three times. The supernatant was removed and the resulting solid was dried inan oven at 80 °C for several hours to obtain the HCl salt of the amine. |
69% | With hydrogen In 1,2-dimethoxyethane at 170℃; for 16h; | |
With lithium aluminium tetrahydride; diethyl ether |
95.9 % Chromat. | With triethylsilane In toluene at 100℃; | |
92 %Spectr. | With triethyl borane; phenylsilane; sodium methylate In tetrahydrofuran at 50℃; Inert atmosphere; Schlenk technique; Sealed tube; chemoselective reaction; | |
92 %Spectr. | With triethyl borane; phenylsilane; sodium methylate In tetrahydrofuran at 50℃; Inert atmosphere; Schlenk technique; Glovebox; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | With Lawessons reagent In toluene at 20℃; for 18h; | |
With phosphorous (V) sulfide; xylene |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
100% | With sodium acetate; dinitrogen tetraoxide In dichloromethane at -10℃; for 1h; | |
With mixture of gaseous nitrogen oxides; acetic acid at 0℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With ethanol; sodium | ||
96 %Spectr. | With potassium phosphate; C30H34BNOPRu; hydrogen In tetrahydrofuran at 150℃; for 24h; Glovebox; Autoclave; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
100% | With hydrogenchloride | |
93% | Stage #1: 7-amino-heptanoic acid lactam With water; barium(II) hydroxide at 110℃; for 6h; Stage #2: With carbon dioxide for 0.333333h; | 2 Synthesis of Interm iate 4:3 (5.6 g, 44.1 mmol) was combined with barium hydroxide (3.8 g, 26.95 mmol) and water (55 ml). The suspension was heated to 110 °C for 6 hours then cooled over an ice bath. Gaseous carbon dioxide was bubbled through the solution for 20 minutes. The suspension was filtered through a celite pad and the filtrate was concentrated to dryness. The residue was triturated with acetonitrile, collected, rinsed with ether and dried in vacuo to yield 4 as a white solid (6.0 g, 93 %). |
With sulfuric acid; water at 94℃; effective rate constants for hydrolysis at different temperatures; further temperatures; |
With hydrogenchloride at 150℃; | ||
With barium dihydroxide | ||
In sulfuric acid at 25℃; ΔH(excit.), ΔS(excit.); |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With ethyl 2-cyano-2-(2-nitrobenzenesulfonyloxyimino)acetate In acetonitrile at 85℃; Microwave irradiation; Inert atmosphere; | |
69% | With sulfuric acid In water at 110℃; | (E)-Allyl (1-benzoyl-1,4,5,6,7,8-hexahydroazocin-2-yl) carbonate (7e). In a 100 mL flask equipped with magnetic stirrer and containing 30 mL of EtOH, cycloheptanone (50mmol) and NH2OH•HCl (80 mmol) were dissolved. To the above solution was added K2CO3 (40 mmol) in H2O (30 mL) dropwise. The mixture was stirred at 50 °C for 2 h.After removal of all volatiles, aqueous phase was extracted with CH2Cl2. The combined organic layers were dried over Na2SO4, and concentrated in vacuo to give cycloheptanone oxime in 61% yield. To a hot solution (110 °C) of H2SO4 (10 mL) in H2O (3 mL) was added cycloheptanone oxime (20 mmol) dropwise or several portions. After completion of the addition, the reaction mixture was cooled to 0 °C and neutralized with NaOH. The aqueous phase was extracted with CH2Cl2. The combined organic layers were dried over Na2SO4, and concentrated in vacuo to give the corresponding amide in 69% yield. |
48% | In acetonitrile at 80℃; for 8h; |
35% | Stage #1: cycloheptanone oxime With lithium hydroxide In tetrahydrofuran at 20℃; for 0.5h; Stage #2: With 2-mesitylenesulphonyl chloride In tetrahydrofuran at 60℃; for 8h; Further stages.; | |
With sulfuric acid; acetic acid | ||
With sulfuric acid | ||
With sulfuric acid | ||
With sodium hydroxide; benzenesulfonyl chloride In acetone at 0 - 20℃; for 18h; | ||
With phosphorus pentoxide In water at 130 - 140℃; for 1h; | Water (6.0 eq) was added to PPA (P205 80%, 2.6 eq), then heated to130 °C; and compound II-X (1.0 eq) was added at such a rate that the temperature was maintained between 130-140 °C. The solution was kept at 130 °C for lh and slowly cooled to 100 °C. The mixture was then stirred with ice water, then extracted with DCM. The organic layer was dried with Na2S04 and concentrated to give compound III-X. | |
With sulfuric acid |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | With di(n-butyl)tin oxide In toluene for 16h; Dean-Stark; Reflux; | General protocol for synthesis of Lactams General procedure: An amino acids (0.63 mmol, 1 eq.) and di-n-butyloxide (156.8 mg, 0.63 mmol, 1 eq.) were stirred in refluxing toluene (120 mL) for 16 h with use of a Dean-Stark system for the continuous distilling out the water. The solvent evaporated in vacuo at room temperature and the dissolved in CHCl3 (25 mL) and passed via short layer of Celite. The resultant was concentrated under vacuum and purified through the chromatography to produce the products (4-6) as a white solid. Azocan-2-one (4): (81%). (83-85) oC. IR νmax(cm-1) = 3320, 1685, 1645, 1465, 1331, 790. 1H NMR: δ (ppm) = 6.10 (s, 1H), 3.54 (apppearant t, 2H, J= 3 and 6 Hz, CH2), 2.93 (t, 2H, J= 3 Hz, CH2), 2.02-1.96 (m, 4H, 2CH2), 1.74-1.66 (m, 4H, 2CH2). 13C NMR: δ (ppm) = 175.9 (C=O), 41.7 (C), 37.3 (C), 29.1 (C), 28.7 (C), 27.2 (C), 24.9 (C). |
8% | With di(n-butyl)tin oxide In 1,3,5-trimethyl-benzene for 6h; Heating; | |
at 180 - 190℃; im Vakuum; |
Multi-step reaction with 3 steps 1: 99 percent / N3Tf; CuSO4; K2CO3 / CH2Cl2; methanol; H2O 2: 96 percent / N,N'-dicyclohexylcarbodiimide / CH2Cl2 / 0 °C 3: 59 percent / 1,4-diazabicyclo[2.2.2]octane / tetrahydrofuran; H2O / 70 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92% | With sodium azide; sulfuric acid; silica gel at 60℃; for 0.583333h; | |
83% | With hydroxylamine hydrochloride; zinc(II) oxide at 150℃; for 1h; | |
80% | With trimethylsilylazide; iron(III) chloride In 1,2-dichloro-ethane at 20℃; for 0.75h; |
80% | With hydroxylamine hydrochloride at 120℃; for 6h; neat (no solvent); | |
72% | With phosphorus pentaoxide; sodium azide; silica gel for 0.116667h; microwave irradiation; | |
72% | Stage #1: cycloheptanone With formic acid; water; hydroxylamine-O-sulfonic acid for 5.05h; Reflux; Stage #2: With sodium hydroxide In water at 20℃; Cooling with ice; | 2 A 100-mL, three-necked flask was equipped with a magnetic stirring bar, a ressure-equalizing dropping funnel, and a reflux condenser connected to a nitrogen flow line. The system was dried with a heat gun while it was flushed with dry nitrogen. The reaction vessel was then cooled in a water bath while a light positive pressure of nitrogen was maintained. The flask was charged with hydroxylamine-O- sulfonic acid 2 (8.48 g, 0.075 mol) and 95-97% formic acid (45 ml). A solution of cycloheptanone (5.61 g, 0.05 mol) (Note 3) in 15 ml of 95-97% formic acid was added with stirring over a 3-min period. After addition was complete, the reaction mixture was heated under reflux for 5 hr and then cooled to room temperature. The reaction mixture was quenched with 75 ml of ice-water. The aqueous solution was slowly neutralized to pH 7 with 6 N sodium hydroxide and extracted with three 100-ml portions of chloroform. The combined organic layers were dried with anhydrous magnesium sulfate. After removal of the solvent on a rotary evaporator, the product hexahydroazocinone was purified by distillation to give 3 (4.6 g 72%), 133-135°C/4 mmHg. |
72% | Stage #1: cycloheptanone With formic acid; hydroxylamine-O-sulfonic acid for 5.05h; Reflux; Inert atmosphere; Stage #2: With sodium hydroxide In water | 2 Synthesis of Interm iate 3: A 100-mL, three-necked flask was equipped with a magnetic stirring bar, a ressure-equalizing dropping funnel, and a reflux condenser connected to a nitrogen flow line. The system was dried with a heat gun while it was flushed with dry nitrogen. The reaction vessel was then cooled in a water bath while a light positive pressure of nitrogen was maintained. The flask was charged with hydroxylamine-O-sulfonic acid 2 (8.48 g, 0.075 mol) and 95-97% formic acid (45 ml). A solution of cycloheptanone (5.61 g, 0.05 mol) (Note 3) in 15 ml of 95-97% formic acid was added with stirring over a 3-min period. After addition was complete, the reaction mixture was heated under reflux for 5 fir and then cooled to room temperature. The reaction mixture was quenched with 75 ml of ice-water. The aqueous solution was slowly neutralized to pH 7 with 6 N sodium hydroxide and extracted with three 100-ml portions of chloroform. The combined organic layers were dried with anhydrous magnesium sulfate. After removal of the solvent on a rotary evaporator, the product hexahydroazocinone was purified by distillation to give 3 (4.6 g 72%), 133-135°C/4 mmHg. |
72% | With formic acid; hydroxylamine-O-sulfonic acid for 5h; Inert atmosphere; Reflux; | |
70% | With alumina sulfuric acid; hydroxylamine hydrochloride at 150℃; for 8h; | |
60% | With formic acid; nitromethane; trifluoromethylsulfonic anhydride In acetic acid at 100℃; for 12h; | |
With sodium azide; PPA | ||
With hydrogenchloride; sodium azide | ||
90 % Spectr. | Stage #1: cycloheptanone With aluminum oxide; methanesulfonic acid at 100℃; Stage #2: With hydroxylamine hydrochloride at 140℃; for 2h; | |
Multi-step reaction with 2 steps 1: 100 percent / hydroxylamine hydrochloride; sodium acetate trihydrate / aq. methanol / Heating 2: 48 percent / mercury(II) chloride / acetonitrile / 8 h / 80 °C | ||
Multi-step reaction with 2 steps 1: NH2OH*HCl; NaHCO3 / ethanol 2: benzene sulfonylchloride; 2.5 N NaOH / acetone / 18 h / 0 - 20 °C | ||
Multi-step reaction with 2 steps 2: sulfuric acid | ||
Multi-step reaction with 2 steps 1: hydroxylamine hydrochloride; pyridine / 0 - 20 °C 2: phosphorus pentoxide / water / 1 h / 130 - 140 °C | ||
Multi-step reaction with 2 steps 1: hydroxylamine hydrochloride; potassium carbonate / ethanol; water / 2 h / 50 °C 2: sulfuric acid / water / 110 °C | ||
With hydroxylamine hydrochloride In ethyl acetate at 0 - 76℃; for 6h; | 1-5 Example 3 200 g of cycloheptanone was added to 1600 g of ethyl acetate,Stir and dissolve in a 2000ml reaction flask at a speed of 80 revolutions per minute.The reaction solution dropped to 0 degrees Celsius,Add 600 g of hydroxylamine hydrochloride in batches for 2.0 h. After the addition is complete,The temperature was raised to 76 degrees Celsius for 4 hours, and 800 g of concentrated hydrochloric acid was added to the reaction solution.The temperature was raised to 76 degrees Celsius, and the reaction was stirred for 2 hours. After the ethyl acetate and water were removed under reduced pressure,Add 1500g of acetone, lower the temperature to -5 ° C, stir and crystallize for 5 hours, filter,Off-white solid 263g, yield 82.2%, liquid phase content 99.5% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
77% | With potassium hydroxide In dimethyl sulfoxide for 16h; Ambient temperature; | |
72% | Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 0℃; for 1h; Stage #2: 1,4-dibromo-butane In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 0 - 25℃; for 18h; | |
Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 0℃; for 1h; Stage #2: 1,4-dibromo-butane In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 16h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With triethylamine In toluene at 40℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; | |
67% | With n-butyllithium In tetrahydrofuran at -78 - 20℃; | |
With n-butyllithium 1.) THF, -78 deg C, 30 min, 2.) 3 h; Yield given. Multistep reaction; |
With dmap; triethylamine In dichloromethane |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | With thionyl chloride In benzene for 4h; Reflux; | |
With phosphorus pentoxide In xylene for 5h; Heating; | ||
With thionyl chloride at 100℃; |
Stage #1: 7-amino-heptanoic acid lactam With triethyloxonium fluoroborate Stage #2: anthranilic acid |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82.6% | In dichloromethane; 1,3,5-trimethyl-benzene for 53h; Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | at 60℃; for 23h; | 6 Dimethyl sulfate (1.42 mL, 15 mmol) and 2-azacyclooctanone (1.91 g, 15 mmol) were added to a dried, argon flushed 2-necked round bottomed flask and the mixture was heated at 60 0C for 23 h. The mixture was then cooled to r.t. and added to a saturated aq. solution of Na2CO3 (100 mL). This solution was extracted with ether, dried over Na2SO4, filtrated and evaporated to give a brownish oil of the title compound (1.71 g, 81%). 1H NMR (CDCl3) δ: 3.62 (s, 3H); 3.44-3.40 (m, 2H); 2.34-2.30 (m, 2H); 1-71-1.65 (m, 2H); 1.64-1.58 (m, 2H); 1.50-1.44 (m, 2H); 1.42-1.35 (m, 2H). |
60.5% | In benzene for 24h; Heating; | |
for 18h; Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | With calcium hydroxide; lithium bromide In 1,4-dioxane; water at 85℃; for 3.5h; electrolyses; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With <18F>F2; neon In 1,1,2-Trichloro-1,2,2-trifluoroethane at 0℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
40% | With [bis(acetoxy)iodo]benzene; iodine In cyclohexane at 80℃; for 1h; Irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
64% | With trifluoroacetic acid In chloroform at 25℃; for 2h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium hydride | ||
In tetrahydrofuran | 23.1 Preparation of 3-amino-1-ethyl-1H-heptahydroazocine (1) Step 1 To a solution of 27 g of 2-azacyclooctanone and 50 g of ethane iodide in 250 ml of tetrahydrofuran, 10 g of 60% sodium hydride was gradually added under stirring and ice-cooling. The reaction mixture was stirred for 4 hours at room temperature and poured into ice water, followed by extraction with diethyl ether. The extract was dried over anhydrous magnesium sulfate and the solvent were evaporated under reduced pressure. The residue was subjected to silica gel column chromatography, whereby eluted and purified with chloroform-methanol (100:1) to give 36 g of 1-ethyl-1H-heptahydroazocin-2-on as an oil. 1 H-NMR spectrum (CDCl3, δ ppm): 1.15 (3H, t, J=7 Hz), 1.4-1.7 (6H, m), 1.82 (2H, m), 2.48 (2H, m), 3.38 (2H, q, J=7 Hz), 3.47 (2H, m). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | Stage #1: 7-amino-heptanoic acid lactam With potassium hydroxide In N,N-dimethyl-formamide for 0.25h; Stage #2: propargyl bromide In N,N-dimethyl-formamide at 20℃; | |
45% | Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.75h; Stage #2: propargyl bromide In tetrahydrofuran; mineral oil for 4h; Reflux; | N-Propargyl Lactams 11s,t; General Procedure General procedure: To a stirred solution of the corresponding lactam (10 mmol) in anhydrous THF (50 mL) was added NaH (60% suspension in mineral oil, 12 mmol, 0.48 g) in portions. The stirring was continued at r.t. for 45 minand then propargyl bromide (20 mmol, 2.379 g) was added dropwise.The resulting mixture was heated at reflux for 4 h, cooled to r.t. andstirred overnight. The solvent was evaporated and the residue was treated with Et2O (50 mL), filtered through a small bed of Celite (which was then washed twice with Et2O). The filtrate and washings were combined, the solvent removed under reduced pressure and the residue purified by column chromatography on silica gel using n-hexane/EtOAc (1:1) as eluent. |
With sodium hydride In tetrahydrofuran at 20℃; |
Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran at 20℃; for 0.5h; Stage #2: propargyl bromide In tetrahydrofuran at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | In dichloromethane at 20℃; | |
In dichloromethane at 20℃; for 18h; | ||
In dichloromethane |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | Stage #1: 7-amino-heptanoic acid lactam With hydrogenchloride In chloroform Stage #2: With trichlorophosphate at 40℃; for 2h; Stage #3: 2-carbomethoxyaniline In tetrahydrofuran at 20℃; for 12h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
59% | With 1,4-diaza-bicyclo[2.2.2]octane In tetrahydrofuran; water at 70℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
35% | Stage #1: 10a-(<i>tert</i>-butyl-dimethyl-silanyloxy)-2-phenyl-8,9,10,10a-tetrahydro-5<i>H</i>-oxazolo[3,2-<i>a</i>]azocin-3-one With hydrogen In methanol Stage #2: With sodium hydroxide In methanol |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
76% | With trichlorophosphate In 1,2-dichloro-ethane Heating; | |
With trichlorophosphate In chlorobenzene at 100℃; for 80h; | ||
With trichlorophosphate In 1,2-dichloro-ethane Reflux; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99 % Chromat. | With potassium metaperiodate In water at 100℃; for 0.5h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran Stage #2: allyl bromide In tetrahydrofuran | |
90% | With sodium hydroxide In acetonitrile at 20℃; for 20h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: 96 percent / N,N'-dicyclohexylcarbodiimide / CH2Cl2 / 0 °C 2: 59 percent / 1,4-diazabicyclo[2.2.2]octane / tetrahydrofuran; H2O / 70 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: 92 percent / iodine azide / CH2Cl2; acetonitrile / 1.) -78 deg C, 2 h, 2.) -78 deg C -> -10 deg C 2: 64 percent / trifluoroacetic acid / CHCl3 / 2 h / 25 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
56% | With trimethylsilyl iodide; N,N,N,N,-tetramethylethylenediamine; iodine In dichloromethane | 4.19.A 1-[[3-[[2,2-Dicyano-1-[(2-methyl-5-benzofuranyl)amino]ethenyl]amino]octahydro-2-oxo-1H-azocin-1-yl]acetyl]pyrrolidine A. Preparation of hexahydro-3-iodo-2(1H)-azocinone. Trimethylsilyl iodide (2.8 mL, 20 mmol) was added to a solution of hexahydro-2(1H)-azocinone (1.3 g, 10 mmol) and TMEDA (4.5 mL, 30 mmol) in dichloromethane (50 mL) stirring at -15° C. After stirring at -15° C. for 15 min, iodine (3.8 g, 15 mmol) was added. The reaction was allowed to warm to 0° C. and stirred for 2 h. The reaction mixture was transferred to a separatory funnel and washed with 1/1 10% Na2SO3/brine, dried with sodium sulfate, and evaporated in vacuo to afford 3.9 g of crude product. Chromatography (silica, 10% ethyl acetate/dichloromethane) gave hexahydro-3-iodo-2(1H)-azocinone (1.4 g, 56% yield): 1H-NMR (CDCl3) δ 6.03 (broad s, 1 H), 4.88 (m, 1 H), 3.31 (m, 2 H), 2.41-2.12 (m, 2 H), 1.74-1.38 (m, 6 H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With trichlorophosphate; In 1,2-dichloro-ethane; | EXAMPLE 63 Reaction of ε-caprolactam, 2-azacyclooctanone, 2-azacyclononanone, and <strong>[947-04-6]2-azacyclotridecanone</strong> respectively with phosphorus oxychloride and N-phenylbenzylamine in 1,2-dichloroethane according to the procedure of Example 60 provides the corresponding N-phenylamidines: 3,4,5,6-tetrahydro-7-[(N-phenyl)benzylamino]-2H-azepine, 3,4,5,6,7,8-hexahydro-2-(N-phenylbenzylamino)azocine, 4,5,6,7,8,9-hexahydro-2-(N-phenylbenzylamino)-3H-azonine, 2-(N-phenylbenzylamino)-1-aza-1-cyclotridecene. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With lithium hexamethyldisilazane In tetrahydrofuran at -40℃; Inert atmosphere; | |
86% | Stage #1: 7-amino-heptanoic acid lactam With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: p-toluenesulfonyl chloride In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere; | General Procedure 3 for N-sulfonylation of pyrrolidin-, piperidin-, azepan- or azocan-2-ones (GP3) General procedure: To a stirred solution of n-BuLi (1.6M in hexanes, 65.6 mL, 105 mmol) in THF (100 mL), under argon at -78 °C, was added dropwise a solution of the appropriate 2-pyrrolidin-, azepan- or azocanone (100 mmol) in THF (50 mL) over 15 min. The mixture was stirred for 45 min and a solution of the appropriate sulfonyl chloride (110 mmol) in THF (50 mL) was then added. After 30 min stirring at -78 °C, the mixture was slowly warmed to room temperature and stirred overnight. The reaction was then quenched by addition of satd aqueous NH4Cl (300 mL). The aqueous layer was extracted with EtOAc (3 * 200 mL) and the combined organic layers were washed with brine (2 * 400 mL). The solution was dried over MgSO4, filtered and concentrated. The residue was purified by the appropriate means; solids were triturated with Et2O until removal of excess sulfonyl chloride, easily checked by TLC visualization under UV irradiation at 254 nm, and oils were submitted to flash chromatography (eluting with Cyclohexane/EtOAc mixtures) to afford the compound 1 (typically in 80-90 % yield). |
80% | Stage #1: 7-amino-heptanoic acid lactam With n-butyllithium In tetrahydrofuran at 0℃; for 1h; Stage #2: p-toluenesulfonyl chloride In tetrahydrofuran at 0℃; Further stages.; |
Stage #1: 7-amino-heptanoic acid lactam With n-butyllithium In tetrahydrofuran at -78℃; for 0.166667h; Inert atmosphere; Stage #2: p-toluenesulfonyl chloride In tetrahydrofuran at -78℃; for 4h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
20% | Stage #1: 7-amino-heptanoic acid lactam; 3-bromo-2-nitropyridine With potassium phosphate In toluene at 100℃; for 18h; Stage #2: With water In toluene Stage #3: With iron; sodium hydrogencarbonate; acetic acid more than 3 stages; | 27 The same method was applied to 3-Bromo-2-nitropyridine (102 mg, 0.5 mmol) and 2- azacyclooctanone (76 mg, 0.6 mmol), using fra/7s-1 ,2-cyclohexanodiamine as ligand (6 μl_, 0.05 mmol), and afforded the title compound as a viscous oil (20 mg, 20%). 1H NMR (DMSO) δ 1.16-1.25 (m, 2 H), 1.41-1.52 (m, 2 H), 1.82-1.91 (m, 4 H), 3.26 (t, J = 6.2 Hz, 2 H), 4.61 (t, J = 6.1 Hz, 2 H), 7.59 (dd, J = 8.2, 5.5 Hz, 1 H), 8.48 (d, J = 8.2 Hz, 1 H), 8.62 (d, J = 5.5 Hz, 1 H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | Method A applied to <strong>[56057-19-3]2-Chloro-6-methyl-3-nitropyridine</strong> (94 mg, 0.5 mmol) and 2- azacyclooctanone (76 mg, 0.6 mmol) afforded the title compound as a viscous oil (74 mg, 69%). 1H NMR (DMSO) delta 1.22-1.88 (m, 8 H), 2.62 (s, 3 H), 3.19 (t, J = 6.5 Hz, 2 H), 4.51 (t, J = 5.7 Hz, 2 H), 7.38 (d, J = 8.0 Hz, 1 H), 8.09 (d, J = 8.0 Hz, 1 H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 55% 2: 40% | With pyridine; oxygen; copper diacetate; sodium carbonate In toluene at 20℃; Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
6.23 g | In benzene for 10h; Reflux; | 1-(2-(Ethylthio)acetyl)azocan-2-one (6a) 2-Ethylthioacetic acid (3.18 mL, 39.4 mmol) was dissolved in anhydrous dichloromethane (20 mL) then DMF (0.1 mL) was added followed by oxalyl chloride (10 mL, 118 mmol) dropwise at room temperature and the mixture was stirred at room temperature (2 h). Solvent was removed under reduced pressure and the residue was taken up in benzene (3 mL) and added dropwise to a solution of 2-azacyclooctanone (5.0 g, 39 mmol) in benzene (20 mL) and the mixture was stirred at reflux (10 h). The reaction mixture was cooled to room temperature and extracted (EtOAc; 300 mL) and the organic phase was washed with brine (50 mL), dried (Na2SO4) and taken to dryness and the residue was purified by silica gel column chromatography to yield 6a as a yellow oil (6.23 g, 69% yield). 1H NMR (400 MHz, CDCl3) δ 3.88 - 3.85 (m, 2H), 3.82 (s, 2H), 2.63 - 2.60 (m, 2H), 2.50 (q, J = 7.4 Hz, 2H), 1.85 - 1.79 (m, 2H), 1.67 - 1.61 (m, 2H), 1.57 - 1.52 (m, 2H), 1.45 - 1.39 (m, 2H), 1.18 (t, J = 7.4 Hz, 3H). 13C NMR (101 MHz, CDCl3) δ 177.83, 172.62, 43.65, 38.80, 36.97, 29.25, 28.77, 26.16, 26.11, 23.90, 14.36. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Stage #1: 7-amino-heptanoic acid lactam With phosphorus pentachloride In dichloromethane; toluene for 2h; Reflux; Stage #2: With sodium hydrogencarbonate In water; acetone for 16h; Cooling with ice; | Compound III-X (1.0 eq) in DCM was slowly added to a stirred suspension of PCI5 (2.0 eq) in toluene. After heating under reflux for 2h, the brown solution was concentrated. Ice was added to the residue followed by acetone, then aqueous 10% aHC03 solution was added until pH=8. After stirring 16h, the solution was extracted with DCM, and the extract was dried over a2S04, filtered, and concentrated under reduced pressure to give an orange oil, which was purified by silica column chromatography (EA/PE=1 :5-1 :3) to give compound IV-X. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | Stage #1: 7-amino-heptanoic acid lactam; barium(II) hydroxide With water at 110℃; for 6h; Stage #2: With carbon dioxide In water for 0.333333h; Cooling with ice; | 2 3 (5.6 g, 44.1 mmol) was combined with barium hydroxide (3.8 g, 26.95 mmol) and water (55 ml). The suspension was heated to 110 °C for 6 hours then cooled over an ice bath.Gaseous carbon dioxide was bubbled through the solution for 20 minutes. The suspension was filtered through a celite pad and the filtrate was concentrated to dryness. The residue was triturated with acetonitrile, collected, rinsed with ether and dried in vacuo to yield 4 as a white solid (6.0 g, 93 %). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
General procedure: Amide (25 mmol) was dissolved in dry toluene (100 mL) and POCl3 (1.93 g, 12.5 mmol) was added dropwise at 0 C. The reaction solution was kept at the ice-bath with stirring for 2 h. After that aniline (12.5 mmol) was added in one portion and the result mixture was refluxed under stirring for 4 h. The organic layer was removed and the residue was dissolved in 50 mL of water. The mixture was stirred with coal for 30 min and after filtration 2 M NaOH was added to a pH=10. Precipitate was filtered, dried, and crystallized from a mixture of EtOAc/hexane (1:1). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Stage #1: 7-amino-heptanoic acid lactam With trichlorophosphate In toluene at 0℃; for 2h; Stage #2: 2-bromoaniline In toluene for 4h; Reflux; Stage #3: With sodium hydroxide In water | 4.3.4. N-[2-Azocan-2-ylidene]-2-bromoaniline (1d) General procedure: Amide (25 mmol) was dissolved in dry toluene (100 mL) and POCl3 (1.93 g, 12.5 mmol) was added dropwise at 0 °C. The reaction solution was kept at the ice-bath with stirring for 2 h. After that aniline (12.5 mmol) was added in one portion and the result mixture was refluxed under stirring for 4 h. The organic layer was removed and the residue was dissolved in 50 mL of water. The mixture was stirred with coal for 30 min and after filtration 2 M NaOH was added to a pH=10. Precipitate was filtered, dried, and crystallized from a mixture of EtOAc/hexane (1:1). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With methyltrifluoromethyldioxirane In water at 0℃; for 2h; | General procedure: In a typical experiment, a 25-mL round-bottom flask was charged with 6 mL of distilled water and 300 mg (0.79 mmol) of CTAHS. To this solution, 60 mg (0.327 mmol) of 2g were added and the mixture was cooled to 0 °C. Under vigorous stirring, 4.4 mL of a 0.60 M solution of 1b (2.616 mmol) in TFP were rapidly added and the resulting mixture allowed to react until the oxidant was consumed (1.5 h, iodometry). Then, the reaction flask was surmounted with a distillation column equipped with an efficient condenser kept at ca. 0 °C and the TFP was gently distilled off. The resulting residue was cooled to room temperature, saturated with NaCl, then extracted with ethyl acetate (3 × 20 mL). The organic phase was dried over Na2SO4 and concentrated in vacuo. Chromatographic separation (silica gel, ethyl acetate/hexane 2:3) of the residue afforded 32.4 mg of unreacted 2g (0.178 mmol, conv. 46%) and 35.2 mg (0.143 mmol, 95% yield based on the amount of substrate reacted; purity >98%, HPLC). |
99% | With methyltrifluoromethyldioxirane; trifluoroacetic acid In acetone at 0℃; for 3h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | With Al2O3#dotCu(2+); potassium carbonate In N,N-dimethyl-formamide at 110℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | With Al2O3#dotCu(2+); potassium carbonate In N,N-dimethyl-formamide at 110℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | Stage #1: 7-amino-heptanoic acid lactam With n-butyllithium In tetrahydrofuran at -78℃; for 0.166667h; Inert atmosphere; Stage #2: benzyl chloroformate In tetrahydrofuran at -78℃; for 4h; Inert atmosphere; | |
88% | Stage #1: 7-amino-heptanoic acid lactam With n-butyllithium In tetrahydrofuran at -78℃; for 0.166667h; Inert atmosphere; Stage #2: benzyl chloroformate In tetrahydrofuran at -78℃; for 4h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | Stage #1: 7-amino-heptanoic acid lactam With n-butyllithium In tetrahydrofuran at -78℃; for 0.166667h; Inert atmosphere; Stage #2: 2-Nitrobenzenesulfonyl chloride In tetrahydrofuran at -78℃; for 4h; Inert atmosphere; | |
84% | Stage #1: 7-amino-heptanoic acid lactam With n-butyllithium In tetrahydrofuran at -78℃; for 0.166667h; Inert atmosphere; Stage #2: 2-Nitrobenzenesulfonyl chloride In tetrahydrofuran at -78℃; for 4h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
54% | With copper(II) bis(trifluoromethanesulfonate) In dichloromethane at 50℃; for 18h; Sealed tube; | 4.3. General method for de-tert-butylation and Boc-deprotection General procedure: Substrate (0.5 mmol) was added to a reaction vial with CH2Cl2 (5 mL) and Cu(OTf)2 (9 mg, 0.025 mmol, 5 mol %). The reaction was allowed to stand at room temperature for 18 h before being quenched with H2O and extracted into CH2Cl2 (3x20 mL). The organic extracts were dried over MgSO4 and concentrated in vacuo.This yielded the pure product without need for further purification procedures: if pure product was not obtained the reaction was undertaken at 50°C or 80°C in a sealed J-Young tube. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
66% | Stage #1: 7-amino-heptanoic acid lactam With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: 2-bromo-3-nitrobenzoic acid chloride In tetrahydrofuran; hexane at -78℃; for 2.5h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 0℃; for 1h; Stage #2: α,α'-dibromo-o-xylene In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 0 - 25℃; for 18h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 0℃; for 1h; Stage #2: 1.3-chlorobromopropane In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 0 - 25℃; for 18h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | Stage #1: 7-amino-heptanoic acid lactam With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Stage #2: benzoyl chloride In tetrahydrofuran at -78 - 20℃; | (E)-Allyl (1-benzoyl-1,4,5,6,7,8-hexahydroazocin-2-yl) carbonate (7e). General procedure: In a 100 mL flask equipped with magnetic stirrer and containing 30 mL of EtOH, cycloheptanone (50mmol) and NH2OH•HCl (80 mmol) were dissolved. To the above solution was added K2CO3 (40 mmol) in H2O (30 mL) dropwise. The mixture was stirred at 50 °C for 2 h.After removal of all volatiles, aqueous phase was extracted with CH2Cl2. The combined organic layers were dried over Na2SO4, and concentrated in vacuo to give cycloheptanone oxime in 61% yield. To a hot solution (110 °C) of H2SO4 (10 mL) in H2O (3 mL) was added cycloheptanone oxime (20 mmol) dropwise or several portions. After completion of the addition, the reaction mixture was cooled to 0 °C and neutralized with NaOH. The aqueous phase was extracted with CH2Cl2. The combined organic layers were dried over Na2SO4, and concentrated in vacuo to give the corresponding amide in 69% yield. To a solution of amide (10 mmol, 1.0 equiv) in THF (100 mL) was added a 2.5 M solution n-BuLi in THF (11 mmol, 1.1 equiv) at -78 °C. The resulting solution was stirred at -78 °C for 30 min. Then, benzoyl chloride (11 mmol, 1.1 equiv) was added at -78 °C. After completion of the addition, the reaction mixture was allowed to warm to room temperature. All volatiles were removed in vacuo. After the addition of EtOAc, the organic layer was washed with 1 M HCl, saturated NaHCO3 aq and brine, dried over Na2SO4, filtered, and concentrated in vacuo. The crude product was purified by flash column chromatography (SiO2, 15→50% EtOAc in hexanes) to give the Bz-protected amide in 91% yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran at 0 - 20℃; for 0.666667h; Inert atmosphere; Stage #2: benzyl bromide In tetrahydrofuran at 23℃; for 20h; Inert atmosphere; | |
84% | Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran at 0℃; for 1h; Stage #2: benzyl bromide In tetrahydrofuran at 20℃; for 24h; | General protocol for synthesis of Benzyl Lactams General procedure: A solution of NaH (6.8 mg, 0.312 mmol, 1.5 eq.) in dry THF (10 mL) at 0oC, lactams (4-6) (0.205 mmol, 1 eq.) were added with stirring for 1 hour. The ice removed and keep stirring for 24 h at room temperature. The solvent removed under vacuum, followed by purification using flash chromatography to yield the products (7-9) as a pale yellow solid. 1-benzylazocan-2-one (7): (84%). (105-107)oC. IR νmax(cm-1) = 3070, 1950, 1810, 1666, 1451, 770. 1H NMR: δ (ppm) = 7.33-7.21 (m, 5H, CHar), 4.49 (s, 2H, CH2), 3.52 (t, 2H, J = 3 Hz, CH2), 2.86 (t, 2H, J = 6 Hz, CH2), 1.91-1.86 (m, 2H, CH2), 1.82-1.78 (m, 2H, CH2), 1.61-1.57 (m, 2H, CH2), 1.54-1.49 (m, 2H, CH2). 13C NMR: δ (ppm) = 176.5, 138.0, 128.8 (2), 128.6 (2), 127.7, 49.6, 47.2, 37.4 , 28.2, 27.0, 26.8, 24.8. |
Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.666667h; Inert atmosphere; Stage #2: benzyl bromide In tetrahydrofuran; mineral oil at 20℃; for 20h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | With 1,10-Phenanthroline; copper(I) bromide dimethylsulfide complex; di-tert-butyl peroxide at 120℃; for 24h; Inert atmosphere; Autoclave; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 4-butanolide; sodium hypochlorite solution; acetic acid In water | 4 8.6 g of 2-piperidone in place of Example 2 was dissolved in 31.8 g of water and 10.0 g of? -butyrolactone was added, in the same manner as in Example 1, except that? -gengelactam [reagent, manufactured by Tokyo Chemical Industry Co., Ltd.] Was obtained in the same manner as in Example 2 to obtain 100 g of an aqueous solution of N-chloro-ω-heptalactam having an effective chlorine concentration of 5.4%.According to DPD-ammonium ferric sulfate (II) titration method, the chlorine form of the aqueous solution is a combination type |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
55% | With dimanganese decacarbonyl; potassium carbonate at 80℃; for 24h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | With dimanganese decacarbonyl; potassium carbonate at 80℃; for 24h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | With dimanganese decacarbonyl; potassium carbonate at 120℃; for 24h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
73.27% | In dichloromethane at 20℃; for 3h; Inert atmosphere; | 4 (1) was added nicotinic acid and 10mmol 5mmol three-necked flask oxalyl chloride in methylene chloride as a solvent, was added 3-5 drops of N, N- dimethylformamide as a catalyst, connected to a drying tube and argon protective gas the reaction at 0 °C 1h, then at room temperature for 3h. (2) spin-dry the solvent, 20mL of dichloromethane was added as a solvent, and added 6mmol enantholactam, argon gas protection of the reaction at room temperature for 3h. (3) rotary evaporation to give a white solid. After washing with n-hexane, filtered off with suction and dried to give pure compound, was weighed 0.85g |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With triethylamine In dichloromethane at 0 - 20℃; for 13h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
66% | Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h; Inert atmosphere; Stage #2: 4-methylpentyl 4-methylbenzenesulfonate In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92% | Stage #1: 7-amino-heptanoic acid lactam With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h; Inert atmosphere; Stage #2: 1-Bromopentane In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
66% | With diazoacetic acid ethyl ester; manganese(II) perchlorate hexahydrate In cyclohexane at 90℃; for 12h; chemoselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: Benzyloxyacetyl chloride In dichloromethane at 50℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: 3-benzyloxypropionyl chloride In dichloromethane at 50℃; for 16h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: 3-benzyloxypropionyl chloride In dichloromethane at 50℃; for 28h; Inert atmosphere; Further stages; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
74% | With palladium 10% on activated carbon; hydrogen; trifluoroacetic acid In methanol at 45℃; for 2h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82.2% | With hydrogenchloride In water at 76℃; for 2h; | 1-51 Example 3 200 g of cycloheptanone was added to 1600 g of ethyl acetate,Stir and dissolve in a 2000ml reaction flask at a speed of 80 revolutions per minute.The reaction solution dropped to 0 degrees Celsius,Add 600 g of hydroxylamine hydrochloride in batches for 2.0 h. After the addition is complete,The temperature was raised to 76 degrees Celsius for 4 hours, and 800 g of concentrated hydrochloric acid was added to the reaction solution.The temperature was raised to 76 degrees Celsius, and the reaction was stirred for 2 hours. After the ethyl acetate and water were removed under reduced pressure,Add 1500g of acetone, lower the temperature to -5 ° C, stir and crystallize for 5 hours, filter,Off-white solid 263g, yield 82.2%, liquid phase content 99.5% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: N-Fmoc-sarcosine acid chloride In dichloromethane at 50℃; for 19h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 18h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C20H18ClNO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C22H22ClNO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C23H24ClNO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C21H22ClNO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C19H16ClNO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C19H15ClF3NO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C25H22ClNO4 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C20H20ClNO4 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
66% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C25H22ClNO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C20H18ClNO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C20H16ClNO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 18h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
55% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C20H20ClNO3 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 18h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C22H18ClNO3S In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 18h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Inert atmosphere; Stage #2: C25H20ClNO5 In dichloromethane at 50℃; for 24h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 18h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | Stage #1: 7-amino-heptanoic acid lactam With bis(cyclopentadienyl)dihydrozirconium; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane at 20℃; for 12h; Inert atmosphere; Stage #2: With hydrogenchloride In diethyl ether Inert atmosphere; | 59 The bis(cyclopentadiene) zirconium dihydride (denoted as Cp2ZrH2, 0.01mmol, 2.23mg), 2-azacyclooctanone (denoted as 3p, 0.2mmol, 25.4mg) and pinacol borane (denoted as HBpin, 0.6mmol, 87μL), stirred at room temperature for 12h under nitrogen (1atm) atmosphere, treated with hydrogen chloride in ether solution to obtain the hydrochloride compound of formula 4p structure (white solid, azacyclooctane hydrochloride). The isolated yield is 95% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | Stage #1: 7-amino-heptanoic acid lactam With pyridine; dmap In dichloromethane at 20℃; for 0.5h; Stage #2: 3-(acetylthio)propanoyl chloride In dichloromethane at 50℃; for 18h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triethylamine In Carbon tetrachloride at 20℃; for 0.5h; |
Tags: 673-66-5 synthesis path| 673-66-5 SDS| 673-66-5 COA| 673-66-5 purity| 673-66-5 application| 673-66-5 NMR| 673-66-5 COA| 673-66-5 structure
Precautionary Statements-General | |
Code | Phrase |
P101 | If medical advice is needed,have product container or label at hand. |
P102 | Keep out of reach of children. |
P103 | Read label before use |
Prevention | |
Code | Phrase |
P201 | Obtain special instructions before use. |
P202 | Do not handle until all safety precautions have been read and understood. |
P210 | Keep away from heat/sparks/open flames/hot surfaces. - No smoking. |
P211 | Do not spray on an open flame or other ignition source. |
P220 | Keep/Store away from clothing/combustible materials. |
P221 | Take any precaution to avoid mixing with combustibles |
P222 | Do not allow contact with air. |
P223 | Keep away from any possible contact with water, because of violent reaction and possible flash fire. |
P230 | Keep wetted |
P231 | Handle under inert gas. |
P232 | Protect from moisture. |
P233 | Keep container tightly closed. |
P234 | Keep only in original container. |
P235 | Keep cool |
P240 | Ground/bond container and receiving equipment. |
P241 | Use explosion-proof electrical/ventilating/lighting/equipment. |
P242 | Use only non-sparking tools. |
P243 | Take precautionary measures against static discharge. |
P244 | Keep reduction valves free from grease and oil. |
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P251 | Pressurized container: Do not pierce or burn, even after use. |
P260 | Do not breathe dust/fume/gas/mist/vapours/spray. |
P261 | Avoid breathing dust/fume/gas/mist/vapours/spray. |
P262 | Do not get in eyes, on skin, or on clothing. |
P263 | Avoid contact during pregnancy/while nursing. |
P264 | Wash hands thoroughly after handling. |
P265 | Wash skin thouroughly after handling. |
P270 | Do not eat, drink or smoke when using this product. |
P271 | Use only outdoors or in a well-ventilated area. |
P272 | Contaminated work clothing should not be allowed out of the workplace. |
P273 | Avoid release to the environment. |
P280 | Wear protective gloves/protective clothing/eye protection/face protection. |
P281 | Use personal protective equipment as required. |
P282 | Wear cold insulating gloves/face shield/eye protection. |
P283 | Wear fire/flame resistant/retardant clothing. |
P284 | Wear respiratory protection. |
P285 | In case of inadequate ventilation wear respiratory protection. |
P231 + P232 | Handle under inert gas. Protect from moisture. |
P235 + P410 | Keep cool. Protect from sunlight. |
Response | |
Code | Phrase |
P301 | IF SWALLOWED: |
P304 | IF INHALED: |
P305 | IF IN EYES: |
P306 | IF ON CLOTHING: |
P307 | IF exposed: |
P308 | IF exposed or concerned: |
P309 | IF exposed or if you feel unwell: |
P310 | Immediately call a POISON CENTER or doctor/physician. |
P311 | Call a POISON CENTER or doctor/physician. |
P312 | Call a POISON CENTER or doctor/physician if you feel unwell. |
P313 | Get medical advice/attention. |
P314 | Get medical advice/attention if you feel unwell. |
P315 | Get immediate medical advice/attention. |
P320 | |
P302 + P352 | IF ON SKIN: wash with plenty of soap and water. |
P321 | |
P322 | |
P330 | Rinse mouth. |
P331 | Do NOT induce vomiting. |
P332 | IF SKIN irritation occurs: |
P333 | If skin irritation or rash occurs: |
P334 | Immerse in cool water/wrap n wet bandages. |
P335 | Brush off loose particles from skin. |
P336 | Thaw frosted parts with lukewarm water. Do not rub affected area. |
P337 | If eye irritation persists: |
P338 | Remove contact lenses, if present and easy to do. Continue rinsing. |
P340 | Remove victim to fresh air and keep at rest in a position comfortable for breathing. |
P341 | If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. |
P342 | If experiencing respiratory symptoms: |
P350 | Gently wash with plenty of soap and water. |
P351 | Rinse cautiously with water for several minutes. |
P352 | Wash with plenty of soap and water. |
P353 | Rinse skin with water/shower. |
P360 | Rinse immediately contaminated clothing and skin with plenty of water before removing clothes. |
P361 | Remove/Take off immediately all contaminated clothing. |
P362 | Take off contaminated clothing and wash before reuse. |
P363 | Wash contaminated clothing before reuse. |
P370 | In case of fire: |
P371 | In case of major fire and large quantities: |
P372 | Explosion risk in case of fire. |
P373 | DO NOT fight fire when fire reaches explosives. |
P374 | Fight fire with normal precautions from a reasonable distance. |
P376 | Stop leak if safe to do so. Oxidising gases (section 2.4) 1 |
P377 | Leaking gas fire: Do not extinguish, unless leak can be stopped safely. |
P378 | |
P380 | Evacuate area. |
P381 | Eliminate all ignition sources if safe to do so. |
P390 | Absorb spillage to prevent material damage. |
P391 | Collect spillage. Hazardous to the aquatic environment |
P301 + P310 | IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
P301 + P312 | IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. |
P301 + P330 + P331 | IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
P302 + P334 | IF ON SKIN: Immerse in cool water/wrap in wet bandages. |
P302 + P350 | IF ON SKIN: Gently wash with plenty of soap and water. |
P303 + P361 + P353 | IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
P304 + P312 | IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell. |
P304 + P340 | IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. |
P304 + P341 | IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. |
P305 + P351 + P338 | IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
P306 + P360 | IF ON CLOTHING: Rinse Immediately contaminated CLOTHING and SKIN with plenty of water before removing clothes. |
P307 + P311 | IF exposed: call a POISON CENTER or doctor/physician. |
P308 + P313 | IF exposed or concerned: Get medical advice/attention. |
P309 + P311 | IF exposed or if you feel unwell: call a POISON CENTER or doctor/physician. |
P332 + P313 | IF SKIN irritation occurs: Get medical advice/attention. |
P333 + P313 | IF SKIN irritation or rash occurs: Get medical advice/attention. |
P335 + P334 | Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages. |
P337 + P313 | IF eye irritation persists: Get medical advice/attention. |
P342 + P311 | IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. |
P370 + P376 | In case of fire: Stop leak if safe to Do so. |
P370 + P378 | In case of fire: |
P370 + P380 | In case of fire: Evacuate area. |
P370 + P380 + P375 | In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion. |
P371 + P380 + P375 | In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion. |
Storage | |
Code | Phrase |
P401 | |
P402 | Store in a dry place. |
P403 | Store in a well-ventilated place. |
P404 | Store in a closed container. |
P405 | Store locked up. |
P406 | Store in corrosive resistant/ container with a resistant inner liner. |
P407 | Maintain air gap between stacks/pallets. |
P410 | Protect from sunlight. |
P411 | |
P412 | Do not expose to temperatures exceeding 50 oC/ 122 oF. |
P413 | |
P420 | Store away from other materials. |
P422 | |
P402 + P404 | Store in a dry place. Store in a closed container. |
P403 + P233 | Store in a well-ventilated place. Keep container tightly closed. |
P403 + P235 | Store in a well-ventilated place. Keep cool. |
P410 + P403 | Protect from sunlight. Store in a well-ventilated place. |
P410 + P412 | Protect from sunlight. Do not expose to temperatures exceeding 50 oC/122oF. |
P411 + P235 | Keep cool. |
Disposal | |
Code | Phrase |
P501 | Dispose of contents/container to ... |
P502 | Refer to manufacturer/supplier for information on recovery/recycling |
Physical hazards | |
Code | Phrase |
H200 | Unstable explosive |
H201 | Explosive; mass explosion hazard |
H202 | Explosive; severe projection hazard |
H203 | Explosive; fire, blast or projection hazard |
H204 | Fire or projection hazard |
H205 | May mass explode in fire |
H220 | Extremely flammable gas |
H221 | Flammable gas |
H222 | Extremely flammable aerosol |
H223 | Flammable aerosol |
H224 | Extremely flammable liquid and vapour |
H225 | Highly flammable liquid and vapour |
H226 | Flammable liquid and vapour |
H227 | Combustible liquid |
H228 | Flammable solid |
H229 | Pressurized container: may burst if heated |
H230 | May react explosively even in the absence of air |
H231 | May react explosively even in the absence of air at elevated pressure and/or temperature |
H240 | Heating may cause an explosion |
H241 | Heating may cause a fire or explosion |
H242 | Heating may cause a fire |
H250 | Catches fire spontaneously if exposed to air |
H251 | Self-heating; may catch fire |
H252 | Self-heating in large quantities; may catch fire |
H260 | In contact with water releases flammable gases which may ignite spontaneously |
H261 | In contact with water releases flammable gas |
H270 | May cause or intensify fire; oxidizer |
H271 | May cause fire or explosion; strong oxidizer |
H272 | May intensify fire; oxidizer |
H280 | Contains gas under pressure; may explode if heated |
H281 | Contains refrigerated gas; may cause cryogenic burns or injury |
H290 | May be corrosive to metals |
Health hazards | |
Code | Phrase |
H300 | Fatal if swallowed |
H301 | Toxic if swallowed |
H302 | Harmful if swallowed |
H303 | May be harmful if swallowed |
H304 | May be fatal if swallowed and enters airways |
H305 | May be harmful if swallowed and enters airways |
H310 | Fatal in contact with skin |
H311 | Toxic in contact with skin |
H312 | Harmful in contact with skin |
H313 | May be harmful in contact with skin |
H314 | Causes severe skin burns and eye damage |
H315 | Causes skin irritation |
H316 | Causes mild skin irritation |
H317 | May cause an allergic skin reaction |
H318 | Causes serious eye damage |
H319 | Causes serious eye irritation |
H320 | Causes eye irritation |
H330 | Fatal if inhaled |
H331 | Toxic if inhaled |
H332 | Harmful if inhaled |
H333 | May be harmful if inhaled |
H334 | May cause allergy or asthma symptoms or breathing difficulties if inhaled |
H335 | May cause respiratory irritation |
H336 | May cause drowsiness or dizziness |
H340 | May cause genetic defects |
H341 | Suspected of causing genetic defects |
H350 | May cause cancer |
H351 | Suspected of causing cancer |
H360 | May damage fertility or the unborn child |
H361 | Suspected of damaging fertility or the unborn child |
H361d | Suspected of damaging the unborn child |
H362 | May cause harm to breast-fed children |
H370 | Causes damage to organs |
H371 | May cause damage to organs |
H372 | Causes damage to organs through prolonged or repeated exposure |
H373 | May cause damage to organs through prolonged or repeated exposure |
Environmental hazards | |
Code | Phrase |
H400 | Very toxic to aquatic life |
H401 | Toxic to aquatic life |
H402 | Harmful to aquatic life |
H410 | Very toxic to aquatic life with long-lasting effects |
H411 | Toxic to aquatic life with long-lasting effects |
H412 | Harmful to aquatic life with long-lasting effects |
H413 | May cause long-lasting harmful effects to aquatic life |
H420 | Harms public health and the environment by destroying ozone in the upper atmosphere |
Sorry,this product has been discontinued.
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