Purity | Size | Price | VIP Price | USA Stock *0-1 Day | Global Stock *5-7 Days | Quantity | ||||||
{[ item.p_purity ]} | {[ item.pr_size ]} | Inquiry |
{[ getRatePrice(item.pr_usd, 1,1,item.pr_is_large_size_no_price) ]} {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate,item.pr_is_large_size_no_price) ]} |
{[ getRatePrice(item.pr_usd, 1,1,item.pr_is_large_size_no_price) ]} | Inquiry {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate,item.pr_is_large_size_no_price) ]} {[ getRatePrice(item.pr_usd,1,item.mem_rate,item.pr_is_large_size_no_price) ]} | {[ item.pr_usastock ]} | in stock Inquiry - | {[ item.pr_chinastock ]} | {[ item.pr_remark ]} in stock Inquiry - | Login | Inquiry |
Please Login or Create an Account to: See VIP prices and availability
CAS No. : | 117009-97-9 | MDL No. : | MFCD01863703 |
Formula : | C13H18N2O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | BXDQJVDEALOIQW-UHFFFAOYSA-N |
M.W : | 234.29 | Pubchem ID : | 4384955 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | 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 |
---|---|---|
100% | With triethylamine; In dimethyl sulfoxide; at 100℃; for 16h; | General procedure: 4-Fluorobenzonitrile (1.21 g, 10.0 mmol), 1-(tert-butoxycarbonyl)homopiperazine (1.96 mL, 10.0 mmol) and triethylamine (1.53 mL, 11.0 mmol) were dissolved in dimethylsulfoxide (20 mL) and the mixture was stirred at 100 C for 16 h. After cooling to room temperature, the mixture was diluted with ethyl acetate, washed successively with water and brine, dried over anhydrous Na2SO4 and concentrated in vacuo. The residue was purified by silica gel column chromatography (hexane/ethyl acetate, 2:1) to give the title compound (1.90 g, 63%) as pale yellow oil. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium tris(acetoxy)borohydride; acetic acid; In tetrahydrofuran; at 20℃; for 2h; | Benzyl 1-homopiperazinecarboxylate (1.95 g, 8.32 mmol) and cyclopropanecarboxyaldehyde (700 mg, 10.0 mmol) were dissolved in 40 mL of tetrahydrofuran. Acetic acid (600 mg, 10.0 mmol) and sodium triacetoxyborohydride (2.11 g, 10.0 mmol) were added thereto, and the reaction mixture was stirred at room temperature for two hours. The reaction mixture was mixed with 1 N aqueous solution of sodium hydroxide, extracted with ethyl acetate twice, and the combined organic layers were washed with brine once. The mixture was dried over anhydrous sodium sulfate and evaporated. The resulting residue was purified by silica gel column chromatography (Fuji Silysia, NH Silica gel; ethyl acetate:hexane=50:50) to give benzyl 4-(cyclopropylmethyl)homopiperazin-1-carboxylate (2.5 g) as a colorless oil. The resulting benzyl 4-(cyclopropylmethyl)homopiperazin-1-carboxylate (2.5 g) was dissolved in 50 mL of ethanol, 10% palladium-carbon (500 mg) was added, and the reaction mixture was stirred at room temperature under hydrogen atmosphere (1 atm) for 12 hours. The palladium-carbon was removed by filtration, and the filtrate was evaporated to give the title compound (1.4 g) as a colorless oil.1H-NMR Spectrum (CDCl3,400MHz) delta(ppm): 0.08-0.15(2H,m), 0.47-0.56(2H,m),0.82-0.95(1H,m),1.80-1.89(2H,m),2.44 (2H,d,J=6.4Hz) 2.75-2.85(4H,m),2.94-3.03(4H,m). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With N-ethyl-N,N-diisopropylamine; In dichloromethane; | Step A Preparation of Benzyl 4-(3-ethoxy-3-oxopropanoyl)-1,4-diazepane-1-carboxylate A mixture of N-Cbz-homopiperazine (4.268 mMol) and DIEA (8.60 mMol) in CH2Cl2 (15.0 mL) at 0 C. was treated with ethyl malonyl chloride (5.077 mMol). The solution was stirred at room temperature overnight. The reaction mixture was then partioned between CH2Cl2 and NaHCO3. The title compound was obtained by evaporation of the CH2Cl2 extract. It was purified by flash chromatography (91%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium hydrogencarbonate; In N-methyl-acetamide; water; | REFERENCE EXAMPLE 25 N-Benzyloxycarbonylhomopiperazine To 230 ml of dimethylformamide were added 25 g of homopiperazine and 5.4 g of sodium bicarbonate and then 25 ml of water followed by dropwise addition of 10 g of benzyloxycarbonyl chloride with stirring under ice cooling, and the mixture was stirred at a room temperature overnight. After evaporating off dimethylformamide under a reduced pressure, the reaction mixture was extracted three times with 100 ml of chloroform, and the extract was dried over magnesium sulfate and evaporated to remove the solvent under a reduced pressure. The resulting residue was applied to a silica gel column and eluted with chloroform/methanol (9:1), to obtain 9 g of the title compound as a light yellow liquor liquid. IR (KBr) cm-1: 1695, 1420; 1 H-NMR (CDCl3, delta ppm): 1.8 (2H, m), 2.8-3.0 (4H, m), 3.4-3.65 (4H, m), 5.15 (2H, s), 7.4 (5H, s). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With sodium tris(acetoxy)borohydride; acetic acid; at 20℃; for 18h;Product distribution / selectivity; | Sodium triacetoxyborohydride (5.79 g, 27.32 mmol) was added portionwise to <strong>[117009-97-9]benzyl 1,4-diazepane-1-carboxylate</strong> (2.56 g, 10.93 mmol) and acetic acid (1.251 mL, 21.85 mmol) in acetone (5.00 mL) at room temperature. The resulting solution was stirred at ambient temperature for 18 h under nitrogen. The reaction mixture was concentrated and diluted with water (200 mL) and basified with 2M NaOH. The aqueous was extracted with diethyl ether (3×100 mL) and washed sequentially with water (200 mL) and saturated brine (200 mL). The organic layer was dried over MgSO4, filtered and evaporated to afford the desired product (3.00 g, 99%). This was used directly with no further purification. 1H NMR (399.9 MHz, DMSO-d6) delta 0.92-0.95 (6H, m), 1.63-1.69 (2H, m), 2.60 (2H, t), 2.80-2.88 (1H, m), 3.38-3.45 (4H, m), 5.09 (2H, s), 7.29-7.40 (5H, m), one (2H, m) obscured by solvent peak. MS: m/z 277 (MH+). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
51% | 4 A Molecular sieves were added to a mixture of <strong>[117009-97-9]benzyl 1-homopiperazinecarboxylate</strong> (1.06 mL, 5.12 mmol), 2-(tert-butyldimethylsilyloxy)acetaldehyde (0.744 mL, 6.15 mmol), methanol (5 mL), and DCM (5 mL). After stirring for 20 minutes, the mixture was added to a solution of sodium triacetoxyborohydride (2.71 g, 12.80 mmol) in tetrahydrofuran (10 mL) and stirred for 1 hour. The reaction mixture was added to a saturated NaHCO3 solution (100 mL) and extracted with DCM. The organic extracts were combined, concentrated onto silica under reduced pressure and purified with silica chromatography (0-20% MeOH in EtOAc) to give 1.02 g (51 %) benzyl 4-(2-(te/t-butyldimethylsilyloxy)ethyl)-l,4-diazepane-l- carboxylate as a clear oil. m/z 393.A mixture of benzyl 4-(2-(ter£-butyldimethylsilyloxy)ethyl)-l,4-diazepane-l- carboxylate (1.02 g, 2.60 mmol) and palladium on carbon (0.083 g, 0.78 mmol) in methanol (10 mL) was stirred for 20 hours under hydrogen gas. The reaction mixture was filtered and concentrated under reduced pressure to give 0.66g (98 %) of a colorless oil. 1H NMR: 3.63 (t,2 H), 2.74 (t, 2 H), 2.67 (m, 4 H), 2.57 (m, 4 H), 1.61 (m, 2 H), 0.86 (s, 9 H), 0.03 (s, 6 H); m/z 259 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Synthesis of 4-(1-chloro-8-propoxy-isoquinoline-5-sulfonyl)-<strong>[117009-97-9][1,4]diazepane-1-carboxylic acid benzyl ester</strong> (7) A solution of 1-chloro-8-propoxy-isoquinoline-5-sulfonic acid (5) and 1-chloro-8-propoxy-isoquinoline-7-sulfonic acid (6) (476 mg, 1.58 mmol) in SOCl2 (5 ml) and DMF (0.5 ml) was heated at 80 C for 2 h. The solvent was evaporated. The residue was quenched with H2O and the solution was neutralized (pH = 8) by addition of a saturated NaHCO3 solution. The mixture was extracted with CH2Cl2. The combined organic layers were poured drop wise to a solution of Cbz-homopiperazine (490 mg, 2.09 mmol) in CH2Cl2 (5 ml) at 0 C. The reaction was stirred at 0 C for 2 h. The reaction was washed with water. The organic layers were dried over MgSO4, concentrated and purified by flash chromatography (cyclohexane/EtOAc 10/0 to 8/2) to afford 360 mg (44%) of 4-(1-chloro-8-propoxy-isoquinoline-5-sulfonyl)-<strong>[117009-97-9][1,4]diazepane-1-carboxylic acid benzyl ester</strong> (7) as a yellow oil. 1H NMR (300 MHz,DMSO-d6) delta : 8.37-8.18 (m, 3H), 7.25 (m, 5H), 6.91 (d, J = 8.6 Hz, 1H), 5.02 (s, 2H), 4.13 (t, J = 6.1 Hz, 2H), 3.54-3.46 (m, 4H), 3.36-3.27 (m, 4H), 1.97-1.80 (m, 4H), 1.19 (t, J = 7.1 Hz, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; DavePhos; In 1,4-dioxane; tert-butyl alcohol; for 2h;Inert atmosphere; Reflux; | General procedure: Tris(dibenzylideneacetone)dipalladium(0) (458 mg, 0.500 mmol), 2-dicyclohexylphosphino-2'-(N,N-dimethylamino)biphenyl (787 mg, 2.00 mmol) and sodium tert-butoxide (1.35 g, 14.0 mmol) were put into an oven-dried flask. tert-Butanol (10 mL), 1,4-dioxane (20 mL), iodobenzene (1.12 mL, 10.0 mmol) and 1-(tert-butoxycarbonyl)homopiperazine (2.40 g, 12.0 mmol) were successively added to the flask at room temperature, and the mixture was stirred under reflux for 2 h under N2 atmosphere. After cooling to room temperature, diethyl ether was added to the reaction mixture, the insolubles were removed by filtration, and the filtrate was concentrated in vacuo. The obtained residue was purified by silica gel column chromatography (hexane/ethyl acetate = 10:1) to give the title compound (2.76 g, 100%) as pale yellow oil. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium carbonate; In water; tert-butyl alcohol; at 0℃; for 2.5h;Reflux; | step 1 To a solution of benzyl 1 -homopiperazine carboxylate 1. (5.27 g, 22.5 mmol) in f-BuOH (30 ml_) were added Etl (4.2 g, 27 mmol) and Na2C03 (4.8 g, 45 mmol) at 0C. Then, the mixture was stirred at reflux temperature for 2.5 h. The volatile was evaporated and the residue was dissolved in H20 and extracted 3 times with Et20. The organic layer was washed with brine, dried under Na2S04, filtered and evaporated to afford crude product 1 -( Benzyl carboxy)-4- ethyl-homopiperazine (4.95 g, 84% yield) as a orange oil: (M+H)+ : 263.6. | |
With sodium carbonate; In tert-butyl alcohol; at 0℃;Inert atmosphere; Reflux; | To a solution of <strong>[117009-97-9]benzyl 1-homopiperazine carboxylate</strong> (5.27 g, 22.5 mmol) in f-BuOH (30 mL) were added Etl (4.2 g, 27 mmol) and Na2C03 (4.8 g, 45 mmol) at 0C. Then, the mixture was stirred at reflux temperature for 2.5 h. The volatile was evaporated and the residue was dissolved in H20 and extracted 3 times with Et20. The organic layer was washed with brine, dried under Na2S04, filtered and evaporated to afford crude product 1-(Benzylcarboxy)-4-ethyl-homopiperazine (4.95 g, 84% yield) as a orange oil: (M+H)+ : 263.6. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
100% | 3-Oxacyclobutanone (480 mg, 6.66 mmol) and <strong>[117009-97-9]N-benzoxycarbonyl homopiperazine</strong> (520 mg, 2.22 mmol) were dissolved in DCE (10 mE), and then dripped into acetic acid (66 mg, 1.11 mmol). The reaction solution was stirred at normal temperature for 2 hrs, and then NaI3H(OAc)3 (1.41 g, 6.66 mmol) was added and at normal temperature reacted for48 hrs. The reaction solution was diluted with dichloromethane (20 mE), and sequentially washed with sodium bicarbonate saturated solution (20 mE) and brine (2x20 mE). The organic layer was separated, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution system: dichloroethane/methanol=50/1 .-20/1) to obtain target compound 25-c (650 mg, yield 100%), as colorless liquid. EC-MS (ESI): mlz 291.1 (M+H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride; In 1,4-dioxane; at 20℃; for 2h; | Compound BB-18-2 (2.6g crude) was dissolved in a solution of hydrogen chloride in dioxane (4M, 25mL) was stirred to homogeneity, thenstirred at room temperature for 2 hours, the solvent was concentrated to give the object compound BB-18-3 (1.8 g crude) without purification in the nextstep. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride; sodium nitrite; In water; at 20℃; for 1h;Inert atmosphere; | Compound BB-18-3 (1.8g crude) was dissolved in dilute hydrochloric acid (6M, 40mL) was stirred until uniform, slowly under nitrogenwas added dropwise sodium nitrite solution (2N, 17mL), then stirred at room temperature for 1 hour, 50mL of water was added, extracted with ethyl acetate(60mL × 3).The combined organic phases with saturated brine (20 mL), dried over anhydrous sodium sulfate, the solvent was removed under reduced pressure to give the titlecompound BB-18-4 (2g crude) was used directly in the next step without further purification. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With N-ethyl-N,N-diisopropylamine; In acetonitrile; at 70℃; for 2h; | To a solution of <strong>[117009-97-9]benzyl 1,4-diazepane-1-carboxylate</strong> (0.85 g, 3.63 mmol, 1 eq) in acetonitrile (10 mL) was added N,N-diisopropylethylamine (938 mg, 7.26 mmol, 2 eq), tert-butyl 2-bromoacetate (707 mg, 3.63 mmol, 0.5 mL, 1 eq). The mixture was stirred at 70 C for 2 h. The reaction mixture was extracted with ethyl acetate (40 mL x 2). The combined organic layers were washed with saturated aqueous brine (30 mL x 2) and dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (petroleum ether/ ethyl acetate=10/1 to 2:1). Compound benzyl 4-(2-tert- butoxy-2-oxo-ethyl)-1,4- diazepane-1-carboxylate (1.08 g, 2.82 mmol, 77% yield, 91% purity) was obtained as a colorless oil. LC/MS (ESI) m/z: 349.1 [M+1] +. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
42% | With sodium tetrahydroborate; iodine In tetrahydrofuran for 24h; Reflux; |
[ 1311254-86-0 ]
(S)-Benzyl 3-methyl-1,4-diazepane-1-carboxylate
Similarity: 0.96
[ 1342433-45-7 ]
Benzyl 4-(2-hydroxyethyl)-1,4-diazepane-1-carboxylate
Similarity: 0.96
[ 1001401-60-0 ]
(R)-Benzyl 5-methyl-1,4-diazepane-1-carboxylate
Similarity: 0.92
[ 217972-87-7 ]
Benzyl 5-methyl-1,4-diazepane-1-carboxylate
Similarity: 0.92
[ 84477-85-0 ]
Benzyl 3-methylpiperazine-1-carboxylate
Similarity: 0.92
[ 1311254-86-0 ]
(S)-Benzyl 3-methyl-1,4-diazepane-1-carboxylate
Similarity: 0.96
[ 1342433-45-7 ]
Benzyl 4-(2-hydroxyethyl)-1,4-diazepane-1-carboxylate
Similarity: 0.96
[ 1001401-60-0 ]
(R)-Benzyl 5-methyl-1,4-diazepane-1-carboxylate
Similarity: 0.92
[ 217972-87-7 ]
Benzyl 5-methyl-1,4-diazepane-1-carboxylate
Similarity: 0.92
[ 84477-85-0 ]
Benzyl 3-methylpiperazine-1-carboxylate
Similarity: 0.92