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CAS No. : | 14925-09-8 | MDL No. : | MFCD00179576 |
Formula : | C13H13N | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | CARILLOXVAEKID-UHFFFAOYSA-N |
M.W : | 183.25 | Pubchem ID : | 12246986 |
Synonyms : |
|
Num. heavy atoms : | 14 |
Num. arom. heavy atoms : | 12 |
Fraction Csp3 : | 0.08 |
Num. rotatable bonds : | 2 |
Num. H-bond acceptors : | 0.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 61.18 |
TPSA : | 12.03 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | Yes |
CYP2C9 inhibitor : | Yes |
CYP2D6 inhibitor : | Yes |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -4.93 cm/s |
Log Po/w (iLOGP) : | 2.3 |
Log Po/w (XLOGP3) : | 3.51 |
Log Po/w (WLOGP) : | 3.2 |
Log Po/w (MLOGP) : | 3.34 |
Log Po/w (SILICOS-IT) : | 3.24 |
Consensus Log Po/w : | 3.12 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 2.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.69 |
Solubility : | 0.0374 mg/ml ; 0.000204 mol/l |
Class : | Soluble |
Log S (Ali) : | -3.45 |
Solubility : | 0.0656 mg/ml ; 0.000358 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -5.35 |
Solubility : | 0.000813 mg/ml ; 0.00000444 mol/l |
Class : | Moderately soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 2.0 |
Synthetic accessibility : | 1.41 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | Packing Group: | N/A |
GHS Pictogram: |
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* 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 |
---|---|---|
1: 62% 2: 28% | With Dimethylammonium sulphite; zinc(II) chloride at 180℃; for 60h; | |
1: 28% 2: 62% | With Dimethylammonium sulphite; zinc(II) chloride at 180℃; for 60h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 11% 2: 6% 3: 17% | With sodium tetrahydroborate In methanol; diethyl ether at 5 - 10℃; Irradiation; | |
1: 17% 2: 11% 3: 6% | With sodium tetrahydroborate In methanol; diethyl ether at 5 - 10℃; Irradiation; other N-aroylanthranilic acids; various reagents; also in presence deuterated NaBH4; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 19% 2: 5% 3: 10% | With sodium tetrahydroborate In diethyl ether; deuteromethanol at 5 - 10℃; Irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 14% 2: 13% | With potassium hydroxide In methanol; diethyl ether at 5 - 10℃; Irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 5% 2: 20% 3: 54% | With <(CH3)2NH2>2SO3 In water at 150℃; for 30h; sealed ampule, further sulfite; | |
1: 10% 2: 8% 3: 46% | With methylamine at 150℃; for 10h; | |
1: 10% 2: 46% 3: 8% | With methylamine at 150℃; for 10h; |
1: 44% 2: 8% 3: 20% | With Dimethylammonium sulfite In water at 150℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
73% | With Dimethylammonium sulphite at 150℃; for 25h; | |
73% | With Dimethylammonium sulphite at 150℃; other 1-alkyl-2-benzylpyridinium salts; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
36% | With Diethylammonium sulfite In water at 150℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 10% 2: 12% 3: 61% | In water at 150℃; | |
1: 61% 2: 10% 3: 12% | In water at 150℃; other 2-Benzylpyridinium salts and other ammonium sulphites; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 61% 2: 10% 3: 12% | In water at 150℃; for 720h; sealed ampule; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 25 % Chromat. 2: 65 % Chromat. | at 40℃; for 2h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 18% 2: 41% 3: 37% | With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In m-xylene Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 60% 2: 31% | With 2,2'-azobis(isobutyronitrile); 1,1,2,2-tetraphenyldisilane In m-xylene for 22h; Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With deuterium In N,N-dimethyl acetamide at 20℃; for 4h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With tri-n-butyl-tin hydride |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
63% | With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 0.166667h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 38% 2: 25% 3: 19% | With calcium oxide at 500℃; for 0.666667h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 35% 2: 30% | With sodium hydroxide at 20℃; for 5h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: 41 percent / AIBN; n-Bu3SnH / m-xylene / Heating | ||
Multi-step reaction with 2 steps 1: 60 percent / AIBN; 1,1,2,2-tetraphenyldisilane / m-xylene / 22 h / Heating |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: 78 percent / 24 h / Ambient temperature 2: 73 percent / aq. methylammonium sulphite / 150 °C / other 1-alkyl-2-benzylpyridinium salts |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: (i) nBuLi, (ii) SO2Cl2 2: NaN3 / acetone; H2O 3: methanol / Irradiation |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: (i) nBuLi, (ii) SO2Cl2 2: NaN3 / acetone; H2O |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | With sodium bis(2-methoxyethoxy)aluminium dihydride In tetrahydrofuran at 50℃; for 6h; | |
With sodium hydroxide In tetrahydrofuran; water | 1.b b b N-Methyl-o-phenylaniline A solution of 18 g (0.075 mol) of 2-ethoxycarbonylaminobiphenyl in 100 ml of THF is added dropwise to a suspension of 14.2 g (0.373 mol) of lithium aluminum hydride in 300 ml of THF. The mixture is stirred for another 1 hour and then refluxed for 3 hours. Subsequently, while cooling in ice, 28 ml of water are firstly added dropwise and 18 ml of 15% strength aqueous sodium hydroxide are then added. After the precipitate has been separated off, it is washed a number of times with ether. The combined filtrates are dried over sodium sulfate, and the reddish liquid obtained after evaporation of the solvent is fractionated at 0.01 mbar. Bp.: 65-67° C. Yield: 10.64 g=77%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 2h; Cooling with ice; Inert atmosphere; | N-(Biphenyl-2-yl)-2-chloro-N-methylacetamide (23) In a perfectly dried two-necked flask, to a cooled (ice bath) solution of 22 in dry DCM (10 mL), N,N-diisopropylethylamine (1.5 eq.) and 2-chloroacetylchloride (1.5 eq.) were added. The solution was allowed to raise r.t. and stirred under a nitrogen streamfor 2 h and then HCl 0.5 N was added. The two phases were separated and the organic layer was driedover Na2SO4 and evaporated. The crude product was recrystallized from EtOH; Rf: 0.60(n-hexane/EtOAc 98:2); yield: 83%. |
71% | With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 3h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79% | With [bis(acetoxy)iodo]benzene; palladium diacetate In toluene at 20℃; for 2h; | |
71% | Stage #1: 2-(N-methylamino)-1,1'-biphenyl With palladium diacetate In toluene at 25℃; for 1h; Inert atmosphere; Stage #2: With [bis(acetoxy)iodo]benzene In toluene at 25℃; for 24h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 85 %Spectr. 2: 15 %Spectr. | Stage #1: 2-phenylaniline With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 1h; Stage #2: methyl iodide In tetrahydrofuran; mineral oil at 20℃; for 12h; | |
Stage #1: 2-phenylaniline With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 1h; Inert atmosphere; Stage #2: methyl iodide In tetrahydrofuran; hexane for 0.5h; Inert atmosphere; Overall yield = 99%; Overall yield = 5.45 g; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
19% | With oxygen; copper diacetate; palladium dichloride In N,N-dimethyl acetamide at 140℃; for 48h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 62% 2: Ca. 20 %Chromat. | With 2,2,6,6-tetramethylpiperidinyl-lithium In diethyl ether; cyclohexane at 25℃; for 25h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86% | With dichloro bis(acetonitrile) palladium(II); copper(II) trifluoroacetate; trifluoroacetic acid In 1,4-dioxane at 110℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | With palladium on activated charcoal; ammonium formate In water; isopropyl alcohol at 20℃; Reflux; | N-Methylbiphenyl-2-amine (22) To a stirred solution of biphenyl-2-amine (0.029 mol) in2-propanol (125 mL) a solution 37% of formaldehyde in water (0.059 mol) was added and the solution was stirred for 1 h. In another flask, to a suspension of palladium on activated charcoal (0.003 mol) in2-propanol (125 mL), a solution of ammonium formate (0.29 mol) in water (50 mL) was added. Thetwo solutions were combined and the new suspension was stirred overnight at r.t. and then refluxed for1 h. After cooling, the suspension was filtered over a Celite pad and the solvent was evaporated. Theresidue was dissolved in dichloromethane and washed with water. The organic layer was dried overNa2SO4 and evaporated. The crude product was purified by flash column chromatographyn-hexane/EtOAc 98:2; Rf: 0.41 (n-hexane/EtOAc 98:2); yield: 43% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 2 h / 20 °C / Cooling with ice; Inert atmosphere 2.1: aluminum (III) chloride / 1 h / 100 - 170 °C / Inert atmosphere 3.1: potassium hexamethylsilazane / toluene / 0.33 h / Inert atmosphere 3.2: 20 °C / Inert atmosphere 4.1: palladium on activated charcoal; hydrogenchloride; hydrogen / ethanol / 24 h / 3750.38 Torr / Autoclave |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 2 h / 20 °C / Cooling with ice; Inert atmosphere 2.1: aluminum (III) chloride / 1 h / 100 - 170 °C / Inert atmosphere 3.1: potassium hexamethylsilazane / toluene / 0.33 h / Inert atmosphere 3.2: 20 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
61% | In diethyl ether for 1h; | 12 N-methyl-[1,1′-biphenyl]-2-ammonium mesylate A 50-mL round-bottomed flask equipped with a stir bar was charged with 2-(N-methyl)aminobiphenyl (600 mg, 3.25 mmol, 1.00 eq) and diethyl ether (25 mL). Methanesulfonic acid (212 μL, 3.25 mmol, 1.00 eq) was added dropwise and the reaction mixture was sonicated for 30 minutes and then stirred for 30 minutes. The resulting solid was filtered and further dried under vacuum to provide the title compound as a white solid. Yield: 578 mg, 61%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83 %Chromat. | With hydrogen In hexane at 170℃; for 48h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80 %Chromat. | With hydrogen In hexane at 160℃; for 24h; Autoclave; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With (R)-(-)-1-[(SP)-2-(dicyclohexylphosphino)ferrocenyl]ethyldi-tert-butylphosphine; bis(tri-ortho-tolylphosphine)palladium(0); sodium t-butanolate In 1,4-dioxane at 100℃; for 12h; Inert atmosphere; Glovebox; | |
83% | With C39H45FeNNiP2; sodium t-butanolate In toluene at 100℃; for 12h; Inert atmosphere; Glovebox; Autoclave; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With (R)-(-)-1-[(SP)-2-(dicyclohexylphosphino)ferrocenyl]ethyldi-tert-butylphosphine; bis(tri-ortho-tolylphosphine)palladium(0); sodium t-butanolate In 1,4-dioxane at 100℃; for 12h; Inert atmosphere; Glovebox; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79% | With hydrogen In octane at 150℃; for 30h; Autoclave; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | With hydrogen In hexane at 170℃; for 48h; Autoclave; | 80 General procedure: The procedures were same as that in Example 19. Ina 100 mE reaction autoclave with magnetic stirring, 50 mgCatalyst A was used. The reaction medium was 2 mE n-hexane. 1 mmol starting material was added respectively. After being sealed, the inside of the autoclave was replaced by carbon dioxide gas for three times. Then carbon dioxide gas and hydrogen gas were charged, wherein the starting material, the pressure of the autoclave afier charging carbon dioxide and hydrogen gas (02 and H2’ respectively), reaction temperature, reaction time and target products (qualitative analysis and detection were similar to those in Example 46) were shown in Table 2 below, respectively. After stopping the reaction and cooling to RT, the reaction mixture was subjected to a quantitative analysis withAgilent 7890A gas-mass chromatograph (30 mx0.25 mmx0.33 tm capillary column, with a hydrogen flame ionization detector). The target products were obtained by the conventional separation and purification methods well known in the art, such as rectification.The yields ofthe target products were shown in Table 2 below. |
75% | With hydrogen In octane at 150℃; for 30h; Autoclave; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | With triethylsilane; potassium <i>tert</i>-butylate In 1,3,5-trimethyl-benzene at 165℃; for 60h; Inert atmosphere; Glovebox; | 6.8 Experiments with C-N and C-S Heteroaryl Compounds at Elevated Temperatures Experiments were also conducted with C-N and C-S heteroaryl compounds. In the case of compounds comprising C-N bonds, reactivity appeared to be similar to that seen for C-O bonds, and it is reasonably expected that the wide ranging methods used for the latter will result in results in similar reactivity in the former: |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With oxygen; silver trifluoromethanesulfonate; palladium diacetate at 140℃; for 24h; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
35% | With [(N,N′-bis(diisopropylphosphino)-2,6-diaminopyridine)Mn(CO)3][Br]; potassium <i>tert</i>-butylate In toluene at 120℃; for 24h; Inert atmosphere; Glovebox; Schlenk technique; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | Stage #1: 2-(N-methylamino)-1,1'-biphenyl; palladium diacetate In toluene at 20℃; for 96h; Stage #2: 2,2'-dipyridyl ketone In dichloromethane for 4h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | With sodium hydride In tetrahydrofuran for 120h; Glovebox; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogen In 1,4-dioxane at 60℃; for 24h; Autoclave; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
78% | With C24H32N3P; palladium diacetate; potassium hydroxide at 110℃; for 1h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
37% | With water In N,N-dimethyl-formamide at 110℃; for 6h; Schlenk technique; | 3. General procedure for the formylation of amines using Ethyl Bromodifluoroacetate General procedure: A 25 mL oven-dried Schlenk tube was sequentially added N-methylaniline 1 or aniline 4 (0.2 mmol), Ethyl Bromodifluoroacetate 2a (81.2 mg, 0.4 mmol), DMF (1ml) and H2O (1 mL) was added under air. The reaction mixture was stirred for 6 h at 110. The solution was then diluted with ethyl acetate (20 mL), washed with brine (10 mL), extracted with ethyl acetate (3*5 mL), dried over anhydrous Na2SO4, filtered and evaporated under vacuum. The crude reaction mixture was purified by column chromatography (silica gel, ethyl acetate/petroleum ether) yielded the desired product 3 or 5. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | With dichloro bis(acetonitrile) palladium(II); silver(I) acetate In 1,2-dichloro-ethane at 40℃; for 16h; regioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
46% | With dichloro bis(acetonitrile) palladium(II); silver(I) acetate In 1,2-dichloro-ethane at 40℃; for 16h; regioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
30% | Stage #1: bis(pentafluorophenyl)borinic acid With phenylsilane In dichloromethane at 20℃; for 0.166667h; Inert atmosphere; Stage #2: 2-(N-methylamino)-1,1'-biphenyl In dichloromethane at 60℃; for 24h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | General procedure for the preparation of N-phenylpropynamides 1 General procedure: Dichloromethane (20 mL) and phenylpropynoic acid (11 mmol) were added into a 50 mL round bottom glass flask, and then N-alkylaniline (10 mol) was added at 0 °C. Thereafter, a solution of DCC (15 mol), DMAP (0.5 mmol) and dichloromethane (20 mL) was slowly added dropwise with stirring. The reaction mixture was allowed to warm to room temperature and then stirred overnight. The mixture was washed with 5 mL saturated NaCO3 solution, 5 mL saturated NaCl solution, and 5 mL water. The organic phase was dried over Na2SO4, filtered and concentrated. The residue was purified by column chromatography on silica gel (petroleum ether/ethyl acetate as the eluent) affording the corresponding N-phenylpropynamide 1. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: Selectfluor; trimethylsilyl acetate / acetonitrile / 24 h / 50 °C / Inert atmosphere; Schlenk technique 1.2: 12 h / 20 °C / Inert atmosphere; Schlenk technique 2.1: triethylamine / acetonitrile / 12 h / 80 °C / Schlenk technique; Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: Selectfluor; trimethylsilyl acetate / acetonitrile / 24 h / 50 °C / Inert atmosphere; Schlenk technique 1.2: 12 h / 20 °C / Inert atmosphere; Schlenk technique 2.1: triethylamine / acetonitrile / 12 h / 80 °C / Schlenk technique; Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 44% 2: 31% | With triethylamine In acetonitrile at 80℃; for 12h; Schlenk technique; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
65% | With [bis(acetoxy)iodo]benzene; iodine; palladium diacetate In dichloromethane at 25℃; for 24h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92.3% | With carboxymethyl-dodecyl-dimethyl-ammonium betaine; polymethylhydrosiloxane In acetonitrile at 60℃; for 6h; Schlenk technique; | 3 Take a strictly dry Shrek reaction tube (Schlenk tube), connect a balloon filled with carbon dioxide to the Schlenk tube through the side tube, and clean it 3 times, Sequentially add dodecyl dimethyl amine caprolactone (5mol% relative to amine),N-methyl-[1,1'-diphenyl]-2-amine (0.25mmol), polymethylpolysiloxane PMHS (1.2mmol) and CH3CN (2mL), Schlenk tube is heated at 60°C for 6h, Cool to room temperature, release the CO2 in the balloon, add EtOAc (10 mL) to the mixture to quench the reductive reaction, and extract three times with CH2Cl2. The concentrated organic layer was dried over anhydrous Na2SO4 and evaporated under vacuum, purify by silica gel column chromatography with petroleum ether/ethyl acetate to obtain the corresponding product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: potassium <i>tert</i>-butylate / dimethyl sulfoxide / 20 °C 2: diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; potassium <i>tert</i>-butylate / dimethyl sulfoxide / 1 h / 20 °C / Inert atmosphere; Schlenk technique; Irradiation; Sealed tube |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
15.7 mg | With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; potassium <i>tert</i>-butylate In dimethyl sulfoxide at 20℃; for 1h; Inert atmosphere; Schlenk technique; Irradiation; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: pyridine / dichloromethane / 18 h / 20 °C / Schlenk technique; Inert atmosphere; Darkness 2: potassium <i>tert</i>-butylate / dimethyl sulfoxide / 20 °C 3: diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; potassium <i>tert</i>-butylate / dimethyl sulfoxide / 1 h / 20 °C / Inert atmosphere; Schlenk technique; Irradiation; Sealed tube |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | With bis(1-methyl-1-phenylethyl)peroxide In dimethyl sulfoxide at 20℃; for 24h; Irradiation; | 14 Implementation example 14 0.018g (0.1mmol) N-methylbenzidine-2-amine 1a, 0.034g (0.2mmol) ethyl butyne dicarboxylate 2b, 0.054g (0.2mmol) dicumyl peroxide, 2mL DMSO was sequentially added to a 10ml thick-walled pressure-resistant tube, and under the irradiation of 24W blue LED, the reaction was stirred magnetically for 24h, and the reaction progress was monitored by TLC. After the reaction is over, column chromatography is separated [petroleum ether (6090)/ethyl acetate (15:1)] to obtain 8-phenyl-3,4-dicarboxylate ethyl quinoline 3h, white solid 15mg, The yield was 43%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
31% | With bis(1-methyl-1-phenylethyl)peroxide In dimethyl sulfoxide at 20℃; for 24h; Irradiation; | 15 Implementation example 15 0.018g (0.1mmol) N-methylbenzidine-2-amine 1a, 0.045g (0.2mmol) butyne dicarboxylate 2c, 0.054g (0.2mmol) dicumyl peroxide , 2mL DMSO was sequentially added to a 10ml thick-walled pressure-resistant tube, under the irradiation of 24W blue LED, the reaction was magnetically stirred for 24h, and the progress of the reaction was monitored by TLC. After the reaction is over, column chromatography is separated [petroleum ether (6090)/ethyl acetate (15:1)] to obtain 8-phenyl-3,4-dicarboxylate tert-butyl quinoline 3i, a white solid 13mg The yield was 31%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | With bis(1-methyl-1-phenylethyl)peroxide In dimethyl sulfoxide at 20℃; for 24h; Irradiation; | 1-7 Implementation example 2 0.018g (0.1mmol) N-methylbenzidine-2-amine 1a, 0.028g (0.2mmol) Methyl butynyl dicarboxylate 2a, 0.054g (0.2mmol) dicumyl peroxide, and 2mL DMSO were added to a 10ml thick-walled pressure-resistant tube in turn. Under 24Wblue LED irradiation, The reaction was stirred magnetically for 24 hours, and the progress of the reaction was monitored by TLC. After the reaction is over, column chromatography separates [petroleum ether (6090)/ethyl acetate (15:1)] to obtain Methyl 8-phenyl-3,4-dicarboxylate quinoline 3a, white solid 24mg, yield 75%. The reaction principle of the implementation example 2 is as follows: |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: palladium diacetate; ruphos; sodium t-butanolate / neat (no solvent) / 12 h / 110 °C 2.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 6 h / 20 °C / Inert atmosphere 2.2: 2 h / 20 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With palladium diacetate; sodium t-butanolate; ruphos In neat (no solvent) at 110℃; for 12h; | 2.1 General procedure for the synthesis of 1 General procedure: General procedure A: A glass sealed-tube equipped with a magnetic stir bar was charged with the 2-bromopyridine (1.05 mmol), N-methylaniline (1 mmol), Pd(OAc)2 (0.01 mmol), RuPhos (0.02 mmol), and powdered NaOtBu (1.2 mmol). The glass sealed-tube was transferred to a preheated oil bath (110 °C). After 12 h, the reaction mixture was diluted with 20 mL DCM, then successively washed with water (30 mL×3), dried over anhydrous sodium sulfate and filtered, and the solvent was evaporated under vacuum. Purification was performed by a column chromatography on silica gel (eluents: petroleum ether/ethyl acetate = 100:1) to supply the products 1. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
61% | Stage #1: N-([1,1'-biphenyl]-2-yl)-5-fluoro-N-methylpyridin-2-amine With methyl trifluoromethanesulfonate In dichloromethane at 0 - 20℃; for 24h; Inert atmosphere; Stage #2: With sodium tetrahydroborate In methanol at 0 - 20℃; for 6h; | Synthesis of N-methyl-[1,1'-biphenyl]-2-amine (7) General procedure: Compound 6 (0.15 mmol, 41.7 mg) was placed in a 20 mL two-necked reaction flask, which was filled with nitrogen by using the standard Schlenk technique. Methyl triflate (0.30 mmol, 49.2 mg) in CH2Cl2 (1.5 mL) was injected via a syringe at 0 oC. The mixture was allowed to warm to room temperature and then stirred for 24 h. The volatiles were directly evaporated, and the residue was then dissolved in MeOH (1.0 mL). Sodium borohydride (34.0 mg, 0.90 mmol) was added to the flask at 0 oC. The solution was allowed to warm to ambient temperature and then stirred for 6 h (open flask). The resulting mixture was quenched with 1 M aqueous HCl. The mixture was extracted with CH2Cl2 three times. The combined organic layer was dried over anhydrous Na2SO4. Purification was performed by a column chromatography on silica gel (eluents: petroleum ether/ethyl acetate = 150:1) to supply the product 7 as a colorless oil (16.8 mg, 61% yield).4 1H NMR (400 MHz, CDCl3, ppm): δ 7.51-7.46 (m, 4H), 7.42-7.38 (m, 1H), 7.35 (t, J = 8.4 Hz, 1H), 7.16 (d, J = 8.8 Hz, 1H), 6.86 (t, J = 7.6 Hz, 1H), 6.77 (d, J = 8.0 Hz, 1H), 2.84 (s, 3H); 13C NMR (100 MHz, CDCl3, ppm): δ 146.2, 139.6, 130.1, 129.5 (2C), 129.0 (2C), 128.9, 127.7, 127.3, 117.0, 110.0, 30.9; HRMS (EI): m/z [M]+ calcd. for C13H13N: 183.1048; found: 183.1053 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With C33H32Cl2N5OPRu at 115℃; for 6h; Inert atmosphere; High pressure; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Stage #1: N-methyl-[1,1'-biphenyl]-2-amine; boron trichloride With Aluminum Chloride In hexane; n-heptane at 75℃; for 6h; Stage #2: lithium hydroxide monohydrate In hexane; n-heptane at 20℃; for 0.5h; Overall yield = 36 percent; Overall yield = 376 mg; |
Tags: 14925-09-8 synthesis path| 14925-09-8 SDS| 14925-09-8 COA| 14925-09-8 purity| 14925-09-8 application| 14925-09-8 NMR| 14925-09-8 COA| 14925-09-8 structure
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