Category: 24391-41-1

Reference of 24391-41-1 ,Some common heterocyclic compound, 24391-41-1, molecular formula is C7H3ClN4, 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.

Synthesis of Compound 16.5. A solution of compound 16.4 (600 mg, 3.4 mol), DIPEA (0.8 ml, 4.4 mmol), and Pd(dppf)2Cl2 (27 mg, 0.04 mmol) in MeOH (12 ml) under CO (100 psi) was heated (100 C.) for 16 hr. The solvent was removed in vacuo, and the residue was triturated (EtOAc) to afford compound 16.5 (400 mg, 58%) as an off-white solid. 1H-NMR (500 MHz, DMSO-d6) delta 13.64 (bs, 1H), 9.06(s, 1H), 8.80 (s, 1H), 3.98 (s, 3H). MS m/z 203 [M+1]+.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,24391-41-1, its application will become more common.

Reference:
Patent; Sunesis Pharmaceuticals, Inc; US2009/5359; (2009); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

With the rapid development and complex challenges of chemical substances, the synthesis of new drugs is usually one of the most effective ways to increase yield.24391-41-1, name is 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile, molecular formula is C7H3ClN4, molecular weight is 178.58, as common compound, the synthetic route is as follows.name: 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile

A reaction mixture of 4-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (24.61 mg; 0.14 mmol; 1.02 eq.), cis-4-[1 -(2-azetidin-1 -yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1 H- imidazol-2-yl]-3-fluoro-piperidine (56.00 mg; 0.14 mmol; 1 .00 eq.), and ethyldiisopropylamine (22.70 mg; 0.18 mmol; 1 .30 eq.) in ACN (1 ml) was stirred at 50C for 36 hr. After cooling to rt, the precipate was collected by filtration to yield the title compound as a yellow solid. LC-MS (M+H = 557, obsd. = 557).

At the same time, in my other blogs, there are other synthetic methods of this type of compound,24391-41-1, 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile, and friends who are interested can also refer to it.

Reference:
Patent; MERCK PATENT GMBH; LAN, Ruoxi; CHEN, Xiaoling; XIAO, Yufang; HUCK, Bayard R.; GOUTOPOULOS, Andreas; WO2014/143612; (2014); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 24391-41-1, name is 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile. This compound has unique chemical properties. The synthetic route is as follows. Quality Control of 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile

General procedure: To a mixture of ArCl (22.92 mmol) and piperidinederivative (27.5 mmol, 1.2 eq) in Water/DMSO (35 mL/35 mL) was added DIPEA(32.0 mL, 183 mmol, 8 eq). The resulting mixture was refluxed overnight andcooled to room temperature. The suspension was diluted with H2O (500ml) and neutralized by dropwise addition of concentrated aqueous HCl to pH 6.3.The solid was collected by filtration and washed with H2O. The solidwas then dissolved in 1M aqueous NaOH (200 ml) and filtered. The filtrate wasneutralized by dropwise addition of concentrated HCl to pH 6.7, resulting in abeige precipitation. The solid was collected by filtration and washed with H2O,ACN (2x) and Et2O. The obtained powder was suspended in ACN andfreeze-dried to afford the desired intermediate, which was used for the nextstep without further purification.

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 24391-41-1, 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile.

Reference:
Article; Boland, Sandro; Bourin, Arnaud; Alen, Jo; Geraets, Jacques; Schroeders, Pieter; Castermans, Karolien; Kindt, Nele; Boumans, Nicki; Panitti, Laura; Vanormelingen, Jessica; Fransen, Silke; Van De Velde, Sarah; Defert, Olivier; Bioorganic and Medicinal Chemistry Letters; vol. 25; 18; (2015); p. 4005 – 4010;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 24391-41-1, name is 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile. This compound has unique chemical properties. The synthetic route is as follows. Quality Control of 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile

General procedure: To a mixture of ArCl (22.92 mmol) and piperidinederivative (27.5 mmol, 1.2 eq) in Water/DMSO (35 mL/35 mL) was added DIPEA(32.0 mL, 183 mmol, 8 eq). The resulting mixture was refluxed overnight andcooled to room temperature. The suspension was diluted with H2O (500ml) and neutralized by dropwise addition of concentrated aqueous HCl to pH 6.3.The solid was collected by filtration and washed with H2O. The solidwas then dissolved in 1M aqueous NaOH (200 ml) and filtered. The filtrate wasneutralized by dropwise addition of concentrated HCl to pH 6.7, resulting in abeige precipitation. The solid was collected by filtration and washed with H2O,ACN (2x) and Et2O. The obtained powder was suspended in ACN andfreeze-dried to afford the desired intermediate, which was used for the nextstep without further purification.

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 24391-41-1, 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile.

Reference:
Article; Boland, Sandro; Bourin, Arnaud; Alen, Jo; Geraets, Jacques; Schroeders, Pieter; Castermans, Karolien; Kindt, Nele; Boumans, Nicki; Panitti, Laura; Vanormelingen, Jessica; Fransen, Silke; Van De Velde, Sarah; Defert, Olivier; Bioorganic and Medicinal Chemistry Letters; vol. 25; 18; (2015); p. 4005 – 4010;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 24391-41-1, name is 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile. A new synthetic method of this compound is introduced below., Application In Synthesis of 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile

A mixture of 1e (30 mg, 0.095 mmol), 4-chloro-7H-pyrrolo[2,3-d]pyrimidine-5- carbonitrile (22 mg, 0.128 mmol) and TEA (0.05 ml, 0.360 mmol) in n-BuOH (3 mL) was stirred at reflux for 1.5 h. The reaction mixture was concentrated and purified by flash column chromatography eluting with MeOH/DCM to afford Compound 1 as a white solid (29 mg, yield: 64%). MS (m/z): 422.6 (M+H)+. 1H NMR (400 MHz, DMSO-d6) delta: 12.81 (s, 1H), 8.27-8.26 (m, 2H), 7.72-7.68 (m, 1H) , 7.64-7.41 (m, 5H), 6.88 (dd, J= 4.3, 1.7 Hz, 1H), 6.47 (dd, J = 4.3, 2.7 Hz, 1H), 4.72-4.65 (m, 1H), 4.12-4.06 (m, 1H), 3.96-3.89 (m, 1H), 2.35-2.15 (m, 2H) 2.06-1.83 (m, 2H).

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 24391-41-1, 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile.

Reference:
Patent; HUTCHISON MEDIPHARMA LIMITED; SU, Wei-guo; DAI, Guangxiu; XIAO, Kun; JIA, Hong; ZHANG, Zhulin; VENABLE, Jennifer Diane; BEMBENEK, Scott Damian; CHAI, Wenying; WO2014/15830; (2014); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

With the rapid development and complex challenges of chemical substances, the synthesis of new drugs is usually one of the most effective ways to increase yield.24391-41-1, name is 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile, molecular formula is C7H3ClN4, molecular weight is 178.58, as common compound, the synthetic route is as follows.Quality Control of 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile

Step 13-3 (5)-4-(2-(7-fiuoro-4-oxo-3,4-dihydropyrrolo[l,2-f][l,2,4]triazin-2-yl) pyrrolidin- 1 -yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (106) Compound 106 A mixture of 13b (0.16 mmol), 4-chloro-7H-pyrrolo[2,3-d]pyrimidine- 5-carbonitrile (28 mg, 0.16 mmol) and TEA (0.08 mL, 0.58 mmol) in n-BuOH (5 mL) was stirred at reflux for 2 hours. The reaction mixture was concentrated and purified by flash column chromatography eluting with MeOH/water to afford Compound 106 as a white solid (27 mg, yield: 62%). MS (m/z): 364.7 (M+H)+. 1H NMR (400 MHz, DMSO-d6) delta: 13.07-12.72 (m, 1H), 11.76 (s, 1H), 8.30 (s, 1H), 8.13 (s, 1H), 6.81-6.73 (m, 1H), 6.31-6.09 (m, 1H), 5.15-5.07 (m, 1H), 4.32-4.24 (m, 1H), 3.96-3.92 (m, 1H), 2.40-2.30 (m, 1H), 2.18-2.02 (m, 3H).

At the same time, in my other blogs, there are other synthetic methods of this type of compound,24391-41-1, 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile, and friends who are interested can also refer to it.

Reference:
Patent; HUTCHISON MEDIPHARMA LIMITED; SU, Wei-Guo; DAI, Guangxiu; XIAO, Kun; JIA, Hong; VENABLE, Jennifer Diane; BEMBENEK, Scott Damian; WO2014/15675; (2014); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Adding a certain compound to certain chemical reactions, such as: 24391-41-1, 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile, 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, HPLC of Formula: C7H3ClN4, blongs to pyrimidines compound. HPLC of Formula: C7H3ClN4

To a solution of 4-(dimethylamino)cyclohexan-l-ol (320 mg, 2.23 mmol, 3.99 equiv) in tetrahydrofuran (10 mL) was added sodium hydride (360 mg, 9.00 mmol, 26.79 equiv) at 0C. The resulting solution was stirred for 30 min at 0C. Then 4-chloro-7H-pyrrolo[2,3- d]pyrimidine-5-carbonitrile (100 mg, 0.56 mmol, 1.00 equiv) was added. The resulting solution was allowed to react, with stirring, overnight while the temperature was maintained at reflux. The reaction was then quenched by the addition of 2 mL of water. The resulting mixture was concentrated under vacuum. The crude product (80 mg) was purified by Prep-HPLC with the following conditions: Column, Xbridge Prep C 18 5um, 19x150mm; mobile phase, water with 50mL HCOOH and CH3CN (5.0% CH3CN up to 42.0% in 10 min, up to 95.0% in 2 min, down to 5.0%) in 2 min); Detector, 220/254nm. 30.2 mg product was obtained. This resulted in 30.2 mg (19%) of 4-[[4-(dimethylamino)cyclohexyl]oxy]-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile as a brown solid. LC-MS:(ES,m/z): 286 [M+H]+ 1H NMR (300 MHz, DMSO, ppm): 51.18-1.55 (m, 4H), 1.86-1.89 (d, 2H), 2.13-2.17 (d, 2H), 2.17 (s, 6H), 2.39 (m, 1H),5.15-5.20 (m, 1H), 8.22- 8.26 (m, 2H), 8.43 (s, 1H).

The synthetic route of 24391-41-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; NIMBUS IRIS, INC.; HARRIMAN, Geraldine C.; ROMERO, Donna L.; MASSE, Craig E.; ROBINSON, Shaughnessy; WESSEL, Matthew David; GREENWOOD, Jeremy Robert; WO2014/11911; (2014); A2;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 24391-41-1, name is 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile, molecular formula is C7H3ClN4, The compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below. category: pyrimidines

To a solution of 4-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (100 mg, 0.56 mmol, 1.00 equiv) in t-BuOH (15 mL) was added trans -N,N-dimethylcyclohexane-l,4-diamine (360 mg, 1.67 mmol, 3.0 equiv) and Et3N (3 ml). The resulting solution was stirred overnight at 100C in an oil bath. The resulting mixture was concentrated under vacuum and the residue was purified by Flash-Prep-HPLC with the following conditions: Column, SunFire Prep CI 8, 19* 150mm 5um; mobile phase, water with 0.05% NH4HC03 and CH3CN (8.0% CH3CN up to 65.0% in 14 min); Detector, 254/220nm. This resulted in 20.0 mg of 4-((-4- (dimethylamino)cyclohexyl)amino)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile as white solid. LCMS: (ES, m/z): 285[M+H]+ 1H NMR-(300 MHz, CD3OD, ppm): delta 8.22 (1H, d), 7.81 (1H, s), 3.95-4.05 (1H, m), 2.30-2.40 (7H, m), 2.23-2.29 (2H, m), 1.95-2.05 (2H, m),1.30-1.50 (4H, m).

With the rapid development of chemical substances, we look forward to future research findings about 24391-41-1.

Reference:
Patent; NIMBUS IRIS, INC.; HARRIMAN, Geraldine C.; ROMERO, Donna L.; MASSE, Craig E.; ROBINSON, Shaughnessy; WESSEL, Matthew David; GREENWOOD, Jeremy Robert; WO2014/11911; (2014); A2;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Electric Literature of 24391-41-1, The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 24391-41-1, name is 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile. This compound has unique chemical properties. The synthetic route is as follows.

A mixture of 14b (0.132 mmol), 4-chloro-7H-pyrrolo[2,3-d]pyrimidine-5- carbonitrile (24 mg, 0.132 mmol) and TEA (0.09 mL, 0.66 mmol) in n-BuOH (10 mL) was heated at reflux for 2 hours. The reaction mixture was concentrated purified by flash column chromatography eluting with MeOH/water to afford compound 107 as a slight yellow solid (17 mg, yield: 31%). MS (m/z): 420.7 (M+H)+. 1H-NMR (400 MHz, DMSO-d6) delta: 8.29 (s, 1H), 8.03 (s, 1H), 6.77 (t, J= 5.1 Hz, 1H), 6.16 (t, J= 4.0 Hz, 1H), 5.50 (m, 1H), 4.26 (m, 1H), 4.15 – 4.08 (m, 2H), 3.69 (m, 1H), 2.37 – 2.01 (m, 5H), 1.00 (d, J= 6.6 Hz, 3H), 0.93 (d, J= 6.5 Hz, 3H).

According to the analysis of related databases, 24391-41-1, the application of this compound in the production field has become more and more popular.

Reference:
Patent; HUTCHISON MEDIPHARMA LIMITED; SU, Wei-Guo; DAI, Guangxiu; XIAO, Kun; JIA, Hong; VENABLE, Jennifer Diane; BEMBENEK, Scott Damian; WO2014/15523; (2014); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Electric Literature of 24391-41-1 ,Some common heterocyclic compound, 24391-41-1, molecular formula is C7H3ClN4, 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 2c (0.59 mmol), 4-chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (105 mg, 0.59 mmol) and TEA (0.41 mL, 2.95 mmol) in n-BuOH (9 mL) was heated at 130 C for 2 hours. After concentration, the residue was washed with water and dried, then purified by preparative TLC and Compound 59 as a pale yellow solid was obtained (160mg, yield: 63%). MS (m/z): 431.1 (M+H)+. 1H NMR (400 MHz, DMSO-d6) delta: 12.94 (s, 1H), 8.32 (m, 2H), 7.67 (s, 1H), 6.67 (s, 1H), 6.45 (t, J = 55.2 Hz, 1H), 5.87 (m, 1H), 4.67 (m, 2H), 4.52 – 4.26 (m, 2H), 3.01 (m, 1H), 2.72 (m, 1H).

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. 24391-41-1, 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; HUTCHISON MEDIPHARMA LIMITED; SU, Wei-Guo; DAI, Guangxiu; XIAO, Kun; JIA, Hong; VENABLE, Jennifer Diane; BEMBENEK, Scott Damian; WO2014/15523; (2014); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia