Category: 34916-10-4

Application of 34916-10-4, These common heterocyclic compound, 34916-10-4, name is 4-Oxo-cyclohexanecarbonitrile, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Step A: [1-(4-Cyano-cyclohexyl)-azetidin-3-yl]-carbamic acid tent-butyl ester To a solution of 4-oxo-cyclohexanecarbonitrile (2.66 g, 21.5 mmol, prepared according to the procedure from Tremblay, Maxime, PCT Int. Appl. (2007), WO 2007013848) and azetidine-3-yl-carbonic acid tert-butyl ester (Beta Pharma, 3.70 g, 21.5 mmol) in DCM (20 mL) was added NaBH(OAc)3 (Aldrich, 6.84 g, 32.25 mmol). The resulting mixture was stirred at rt for 6 h and quenched with saturated NaHCO3. Workup and purification by column chromatograph (eluent: 80% EtOAc in hexanes to EtOAc only) gave the product as a mixture of cis/trans isomers. LC/MS: 280.2 [M+H].

The synthetic route of 34916-10-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Zhang, Xuqing; Hufnagel, Heather Rae; Cai, Chaozhong; Lanter, James C.; Markotan, Thomas P.; Sui, Zhihua; US2010/267688; (2010); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Application of 34916-10-4,Some common heterocyclic compound, 34916-10-4, name is 4-Oxo-cyclohexanecarbonitrile, molecular formula is C7H9NO, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Step 3: LiHMDS (9.5 mL, 9.5 mmol) was added dropwise into a solution of compound 116-3 (1 g, 8 mmol) in THF (20 mL) at 0 C. After the addition, the reaction mixture was stirred for further 30min. Then PhN(SO2CF3) (3.6 g, 8.6 mmol) was added into the solution. The obtained mixture was stirred at 25C for 6h, finally quenched with H2O and extracted with EtOAc. The combined extraction liquid was washed with brines, dried over sodium sulfate and concentrated to dry to deliver sulfonate as yellow oil. The obtained sulfonate, Pd(dppf)Cl2 (80.4 mg, 0.11 mmol), bis(pinacolato)diboron (0.67 g, 2.6 mmol) and KOAc (0.65 g, 6.6 mmol) were added into dioxane (15 mL), under nitrogen gas atmosphere, the reaction mixture was heated to 100C and stirred for 18h. The reaction mixture was poured into H2O, extracted with EtOAc. The combined extraction liquid was washed with brines, dried over sodium sulfate and concentrated to dry, finally purified by column chromatography (PE:EtOAc = 5:1) to deliver compound 116-4 (0.5 g, yield 28%) as white solid.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 4-Oxo-cyclohexanecarbonitrile, its application will become more common.

Reference:
Patent; GUANGDONG ZHONGSHENG PHARMACEUTICAL CO., LTD; WU, Hao; LIN, Jun; LI, Yunhui; WEI, Changqing; CHEN, Shuhui; LONG, Chaofeng; CHEN, Xiaoxin; LIU, Zhuowei; CHEN, Lijuan; (212 pag.)EP3124482; (2017); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Adding a certain compound to certain chemical reactions, such as: 34916-10-4, name is 4-Oxo-cyclohexanecarbonitrile, belongs to nitriles-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 34916-10-4, Recommanded Product: 4-Oxo-cyclohexanecarbonitrile

To a solution of 4-cyanocyclohexanone (200 mg, 1 .626 mmol) and CH3NH2 (2M in THE) (0.8 mL, 1.626 mmol) in THF:CH2CI2 (1:1) (4.0 mL) at 0C was added NaBH(OAc)3 (689 mg, 3.252 mmol) and the resulting mixture was stirred at rt for 48 h. Subsquently, the solvent was removed under reduced pressure and the residue was dissolved in ethyl acetate, washed with water, brine, dried over Na2SO4 and concentrated to afford 200 mg (89%) of 4-(methylamino)cyclohexanecarbonitrile as a white solid. NMR (400 MHz, DMSO-d6) 2.91 & 2.61 (two signals, 1 H) 2.23-2.24 (m, 3 H) 1.02 – 1.99 (m, 9 H); ELSD/MS (Method 3) (m/z): [M÷H] 139.06.

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 4-Oxo-cyclohexanecarbonitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; IRM LLC; NOVARTIS AG; CHATTERJEE, Arnab Kumar; NAGLE, Advait Suresh; PARASELLI, Prasuna; KONDREDDI, Ravinder Reddy; LEONG, Seh Yong; MISHRA, Pranab Kumar; MOREAU, Robert Joseph; ROLAND, Jason Thomas; SIM, Wei Lin Sandra; SIMON, Oliver; TAN, Liying Jocelyn; YEUNG, Bryan KS; ZOU, Bin; BOLLU, Venkatataiah; WO2014/78802; (2014); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Application of 34916-10-4, A common heterocyclic compound, 34916-10-4, name is 4-Oxo-cyclohexanecarbonitrile, molecular formula is C7H9NO, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

A mixture of 4-cyano-cyclohexanone (0.48 g, 3.9 mmol) and phenylhydrazine hydrochloride (0.42 g, 3.9 mmol) in glacial acetic acid (5 ml) is stirred at reflux for 1 h. The solvent is evaporated and the residue chromatographed on silica gel (heptane / EtOAc 2:1) to deliver the title compound as a brownish solid (158 mg) in 50% yield. tR (LC-5) 0.91 min; ESI-MS (positive ion): m/z 197.10 [M+H]+ (calcd 196.25 for C13Hi2N2). 1H-NMR (CDCl3): 2.25 (m, 2H); 2.96 (m, 5H); 7.14 (m, 2H); 7.30 (d, J=7.7 Hz, IH); 7.45 (d, J=7.1 Hz, IH); 7.79 (br s, IH).

The synthetic route of 34916-10-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ACTELION PHARMACEUTICALS LTD; WO2006/70325; (2006); A2;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Synthetic Route of 34916-10-4, These common heterocyclic compound, 34916-10-4, name is 4-Oxo-cyclohexanecarbonitrile, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Step A: [1-(4-Cyano-cyclohexyl)-azetidin-3-yl]-carbamic acid tent-butyl ester To a solution of 4-oxo-cyclohexanecarbonitrile (2.66 g, 21.5 mmol, prepared according to the procedure from Tremblay, Maxime, PCT Int. Appl. (2007), WO 2007013848) and azetidine-3-yl-carbonic acid tert-butyl ester (Beta Pharma, 3.70 g, 21.5 mmol) in DCM (20 mL) was added NaBH(OAc)3 (Aldrich, 6.84 g, 32.25 mmol). The resulting mixture was stirred at rt for 6 h and quenched with saturated NaHCO3. Workup and purification by column chromatograph (eluent: 80% EtOAc in hexanes to EtOAc only) gave the product as a mixture of cis/trans isomers. LC/MS: 280.2 [M+H].

The synthetic route of 34916-10-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Zhang, Xuqing; Hufnagel, Heather Rae; Cai, Chaozhong; Lanter, James C.; Markotan, Thomas P.; Sui, Zhihua; US2010/267688; (2010); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Synthetic Route of 34916-10-4, These common heterocyclic compound, 34916-10-4, name is 4-Oxo-cyclohexanecarbonitrile, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

A solution of (Diethylamino)sulfur trifluoride (46.7 g, 289 mmol) in DCM (200 mL) was slowly added to a solution of 4-oxocyclohexanecarbonitrile (32.4 g, 263 mmol) in DCM (400 mL) at 0C. The reaction mixture was stirred for 2 hrs. and quenched with water (100 mL). The organic layer was separated and dried with anhydrous MgSO4. The solvent was concentrated to provide a 7:3 mixture of 4,4-Difluorocyclohexanecarbonitrile and 4-fluorocyclohex-3-ene-l-carbonitrile. MCPBA 77% (45 g, 200 mmol) was stirred in CHCl3 (600 mL) for 30 min. The solution was dried with anhydrous Na2SO4 and filtred. The 7:3 mixture of 4,4-Difluorocyclohexanecarbonitrile and 4-fluorocyclohex-3-ene-l- carbonitrile was added to the resulting MCPBA solution and stirred at ambient temperature for 18 hrs. The reaction mixture was washed with NaOH 1.5 M (3 x 300 mL) and dried with anhydrous MgSO4. The solvent was concentrated and the residue was distilled under reduced pressure to provide the pure title compound as a colorless liquid. Yield 18.2 g (47%): IHNMR (400 MHz, CHLOROFORM) delta 1.86-1.96 (m, 1 H), 1.95-2.03 (m, 5 H), 2.03-2.22 (m, 2 H), 2.68-2.85 (m, 1 H). EPO [(4,4-Difluorocyclohexyl)methyI]amine

The synthetic route of 34916-10-4 has been constantly updated, and we look forward to future research findings.

Application of 34916-10-4,Some common heterocyclic compound, 34916-10-4, name is 4-Oxo-cyclohexanecarbonitrile, molecular formula is C7H9NO, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Into a 250-mL 4-necked round-bottom flask purged and maintained with an inert atmosphere of nitrogen, was placed 119.1 (10 g, 81.20 mmol, 1.00 equiv), methanol (100 mL). This was followed by the addition of NaBH4 (1.52 g, 40.18 mmol, 0.50 equiv) at 0 C. in a water/ice bath. The resulting solution was stirred for 1 h at room temperature. The reaction was then quenched by the addition of 20 mL of NH4Cl (aq). The resulting solution was extracted with 2¡Á100 mL of ethyl acetate and the organic layers combined and dried over anhydrous sodium sulfate and concentrated under vacuum. This resulted in 10.02 g (99%) of 119.2 as colorless oil.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 4-Oxo-cyclohexanecarbonitrile, its application will become more common.

Reference:
Patent; Gilead Apollo, LLC; Ghosh, Shomir; Greenwood, Jeremy Robert; Harriman, Geraldine C.; Leit De Moradei, Silvana Marcel; (290 pag.)US2017/166584; (2017); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 34916-10-4 as follows. Formula: C7H9NO

To a stirred solution of R-06i-3 (4.00 g, 32.48 mmol) and KHMDS (1 .0 M, 42.87 mL, 42.87 mmol) in THF (200 mL) under N2at -78 C was added PhNTf2(14.85 g, 41 .57 mmol) and the reaction mixture was stirred at 20 C for 8 hours. Then, the mixture was cooled to 20 C and concentrated in reduced pressure at 40 C. The residue was poured into water and extracted with ethyl acetate. The combined organic phase was washed with brine, dried with anhydrous Na2S04, filtered and concentrated in vacuum. The residue was purified by column chromatography (Si02, Petroleum ether/Ethyl acetate = 50/1 to 1 :1 ) to give R-06i- 4 (3.00 g, 36%) as a colorless oil. ESI-MS (M+1 ): 256.1 calc. for C8H8F3N03S: 255.0.

According to the analysis of related databases, 34916-10-4, the application of this compound in the production field has become more and more popular.

Reference:
Patent; FUNDACION PARA LA INVESTIGACION MEDICA APLICADA; AGUIRRE ENA, Xabier; OYARZABAL SANTAMARINA, Julen; PROSPER CARDOSO, Felipe; RABAL GRACIA, Maria Obdulia; SAN JOSE ENERIZ, Edurne; SANCHEZ ARIAS, Juan Antonio; VILAS ZORNOZA, Amaia; (96 pag.)WO2018/229139; (2018); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 34916-10-4 as follows. Formula: C7H9NO

Example 77 Ethyl 2-(4-cyanocyclohexylidene)acetate; [0411] To a dispersion of sodium hydride (132 mg, 5.51 mmol) in THF (15 mL), triethyl phosphonoacetate (1.10 mL, 5.51 mmol) was added dropwise. The mixture was stirred until it was colorless before 4-oxocyclohexanecarbonitrile (Astrazeneca AB, see WO2007/13848 Al , 2007)(617 mg, 5.01 mmol) was added. The solution was stirred at ambient temperature until the reaction was complete (TLC). The reaction was quenched by the addition of saturated aqueous NH4CI and the aqueous layer was extracted with ethyl acetate (2 x 40 mL). The combined organic extracts were washed with brine, dried and concentrated. The crude product was used directly in the next step.

According to the analysis of related databases, 34916-10-4, the application of this compound in the production field has become more and more popular.

Reference:
Patent; NEWLINK GENETICS; MAUTINO, Mario, R.; KUMAR, Sanjeev; JAIPURI, Firoz; WALDO, Jesse; KESHARWANI, Tanay; ZHANG, Xiaoxia; WO2011/56652; (2011); A1;,
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts