Tag: M.W:300-400

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1228779-96-1,3-Nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonamide,as a common compound, the synthetic route is as follows.

Into a 250-mL round-bottom flask, was placed 4-(4-[[2-(4-chlorophenyl)-4,4-dimethylcyclohex-l-en-l-yl]methyl]piperazin-l-yl)-2-[(l2R)- l2-methyl-l3-oxa-2,4,l0-triazatricyclo[7.4.0.0A[3,7]]trideca-l(9),2,5,7-tetraen-l0-yl]benzoic acid (1.6 g, 1 equiv), DCM (20 mL), 3-nitro-4-[[(oxan-4-yl)methyl]amino]benzene-l- sulfonamide (890 mg, 1.2 equiv), DMAP (1.25 g, 4 equiv), EDCI (980 mg, 2 equiv). The resulting solution was stirred for 14 hr at room temperature. The resulting mixture was concentrated. The residue was applied onto a silica gel column with EA/DCM (1/10). This resulted in 0.82 g of 4-(4-[[2-(4-chlorophenyl)-4,4-dimethylcyclohex-l-en-l- yl]methyl]piperazin-l-yl)-2-[(l2R)-l2-methyl-l3-oxa-2,4,l0- triazatricyclo[7.4.0.0A[3,7]]trideca-l(9),2,5,7-tetraen-l0-yl]-N-(3-nitro-4-[[(oxan-4- yl)methyl]amino]benzenesulfonyl)benzamide as a yellow solid. LC-MS (ES, m/z): 923 [M+l]+; RT = 3.50 min. 1H NMR (300 MHz, CDCl3, ppm): d 12.48 (s, 1H), 8.62 (d, / = 2.4 Hz, 2H), 8.54-8.38 (m, 1H), 8.16-7.95 (m, 1H), 7.81-7.71 (m, 1H), 7.32-7.12 (m, 6H), 7.07 (t, J = 2.9 Hz, 1H), 6.97-6.77 (m, 3H), 6.76-6.60 (m, 2H), 6.52 (s, 1H), 6.09 (d, J = 3.0 Hz, 1H), 4.88 (d, J = 7.7 Hz, 1H), 4.02 (dd, J = 11.8, 4.2 Hz, 2H), 3.55-3.34 (m, 4H), 3.32-3.14 (m, 5H), 3.08 (s, 1H), 2.77 (d, J = 9.6 Hz, 2H), 2.28 (s, 3H), 2.19 (s, 2H), 1.99 (d, / = 7.6 Hz, 4H), 1.72 (d, / = 12.7 Hz, 2H), 1.45 (ddd, / = 24.5, 12.3, 5.8 Hz, 6H), 0.94 (d, / = 2.1 Hz, 6H)., 1228779-96-1

1228779-96-1 3-Nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonamide 57474953, aTetrahydropyrans compound, is more and more widely used in various fields.

Reference£º
Patent; NEWAVE PHARMACEUTICAL INC.; CHEN, Yi; (475 pag.)WO2020/41406; (2020); A1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1228779-96-1,3-Nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonamide,as a common compound, the synthetic route is as follows.

General procedure: To a solution of appropriate crude acid (1 eq) in CH2Cl2 wereadded EDCI (3 eq), DMAP (0.3 eq) and DIPEA (3 eq). The solutionwas stirred at room temperature for 0.5 h and compound 23 [7] (0.8eq) was added. The resulting mixture was stirred for another 8 hand water was added. The layers were separated, and the aqueouslayer was extracted with CH2Cl2. The combined organic layer waswashed with brine, dried over anhydrous Na2SO4, filtered, andconcentrated under vacuo. The residue was prified by chromatography(CH2Cl2/CH3OH 40:1) to provide target compounds 27a-i,28a-d and 34a-c.

1228779-96-1, The synthetic route of 1228779-96-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Liu, Xiaohua; Zhang, Yu; Huang, Wenjing; Luo, Jia; Li, Yang; Tan, Wenfu; Zhang, Ao; European Journal of Medicinal Chemistry; vol. 159; (2018); p. 149 – 165;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

1228779-96-1, 3-Nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonamide is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a solution of appropriate crude acid (1 eq) in CH2Cl2 wereadded EDCI (3 eq), DMAP (0.3 eq) and DIPEA (3 eq). The solutionwas stirred at room temperature for 0.5 h and compound 23 [7] (0.8eq) was added. The resulting mixture was stirred for another 8 hand water was added. The layers were separated, and the aqueouslayer was extracted with CH2Cl2. The combined organic layer waswashed with brine, dried over anhydrous Na2SO4, filtered, andconcentrated under vacuo. The residue was prified by chromatography(CH2Cl2/CH3OH 40:1) to provide target compounds 27a-i,28a-d and 34a-c., 1228779-96-1

The synthetic route of 1228779-96-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Liu, Xiaohua; Zhang, Yu; Huang, Wenjing; Luo, Jia; Li, Yang; Tan, Wenfu; Zhang, Ao; European Journal of Medicinal Chemistry; vol. 159; (2018); p. 149 – 165;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1228779-96-1,3-Nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonamide,as a common compound, the synthetic route is as follows.

The mixture of (cis-or trans-) 2- ((1H-pyrrolo [2, 3-b] pyridin-5-yl) oxy)-4-(4- (2- (2-chlorophenyl) pyrrolidin-1-yl) cyclohexyl) benzoic acid (142 mg, 0.28 mmol; product of step 6), triethylamine (85 mg, 0.84 mmol), 2- (7-azabenzotriazol-1-yl) -N, N, N’, N’-tetramethyluronium hexafluorophosphate (125 mg, 0.33 mmol) in DCM (20 mL) was stirred for 2 hours. To the resulting reaction were added 3-nitro-4- (((tetrahydro-2H-pyran-4-yl) methyl) amino) benzenesulfonamide (104 mg, 0.33 mmol) and DMAP (3 mg, 0.03 mmol) and stirred overnight. The reaction mixture was concentrated in vacuum and purified by chromatography column on silica (eluent: PE/EA = 1/1 to DCM/MeOH = 10/1) to afford a crude product, which was purified with Pre-TLC (DCM/MeOH, 25/1) to give the product Example D1a (17.5 mg, 7.71%). 1H NMR (400 MHz, DMSO-d 6) delta ppm: 12.16 (br, 1H), 11.78 (br, 1H), 8.61 (m, 2H), 8.05 (s, 1H), 7.85 (d, J = 8.0 Hz, 1H), 7.63 (s, 1H), 7.55 (m, 1H), 7.51 (d, J = 8.0 Hz, 1H), 7.45 (d, J = 8.0 Hz, 1H), 7.27 (d, J = 8.0 Hz, 1H), 7.16 (d, J = 8.0 Hz, 1H), 7.00 (t, J = 8.0 Hz, 1H), 6.94 (d, J = 8.0 Hz, 1H), 6.86 (t, J = 8.0 Hz, 1H), 6.51 (s, 1H), 6.44 (s, 1H), 4.10 (d, J = 8.0 Hz, 1H), 3.85 (d, J = 8.0 Hz, 2H), 3.30-3.23 (m, 5H), 3.16-3.10-3.04 (m, 2H), 2.67-2.55 (m, 1H), 2.42-2.33 (m, 3H), 2.13-1.99 (m, 2H), 1.87-1.82 (m, 2H), 1.67-1.58 (m, 4H), 1.41-1.26 (m, 6H). MS (ESI, m/e) [M+1] + 813.2.

1228779-96-1, 1228779-96-1 3-Nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonamide 57474953, aTetrahydropyrans compound, is more and more widely used in various fields.

Reference£º
Patent; BEIGENE, LTD.; GUO, Yunhang; XUE, Hai; WANG, Zhiwei; SUN, Hanzi; (493 pag.)WO2019/210828; (2019); A1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1228779-96-1,3-Nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonamide,as a common compound, the synthetic route is as follows.

EXAMPLE 1F (128 mg), EXAMPLE 1G (73 mg), 1-ethyl-3-(3-(dimethylamino)propyl)-carbodiimide hydrochloride (88 mg), and 4-dimethylaminopyridine (28 mg) were stirred in CH2Cl2 (3 mL) for 24 hours. The mixture was cooled and chromatographed on silica gel with 0-10% methanol/ethyl acetate. 1H NMR (300 MHz, DMSO-d6) delta 11.15 (br s, 1H), 8.63 (dd, 1H), 8.49 (d, 1H), 7.80 (dd, 1H), 7.44-7.53 (m, 5H), 7.36 (m, 3H), 7.22 (m, 3H), 7.01 (s, 1H), 6.92 (d, 1H), 6.78 (d, 1H), 6.44 (s, 1H), 4.17 (m, 2H), 3.86 (dd, 2H), 3.33 (m, 6H), 3.16 (m, 4H), 2.66 (s, 6H), 2.37 (br s, 4H), 1.91 (m, 1H), 1.63 (d, 2H), 1.29 (m, 2H)., 1228779-96-1

As the paragraph descriping shows that 1228779-96-1 is playing an increasingly important role.

Reference£º
Patent; ABBOTT LABORATORIES; US2010/160322; (2010); A1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

1228779-96-1, 3-Nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonamide is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Compound 12-5 is dissolved in a mixed solvent of EtOH:H 2 O=3:2,(2 eq) lithium hydroxide was added and stirred at room temperature overnight.After the reaction is completed, the reaction solution is spun dry, and a small amount of water is added to dissolve.Then, after adjusting to pH=6 with 1 M aqueous HCl solution, a white solid precipitated.The compound 12-6 was obtained by suction filtration.Synthesis of Compound S12:Compound 12-6 was dissolved in dichloromethane, (3 eq) EDCI, (0.3 eq) DMAP was added, and stirred at room temperature for half an hour, then compound 1-5 (0.8 eq) was added, followed by room temperature reaction for 6-8 hours. After the reaction is completed, the reaction is quenched with water, and the mixture is extracted three times with dichloromethane. The organic phase is washed with saturated brine and dried over anhydrous sodium sulfateCH2Cl2: MeOH = 100:1 – 30:1 gave compound S12., 1228779-96-1

As the paragraph descriping shows that 1228779-96-1 is playing an increasingly important role.

Reference£º
Patent; Chinese Academy Of Sciences Shanghai Pharmaceutical Institute; Zhang Ao; Tan Wenfu; Liu Xiaohua; Huang Wenjing; Zhang Yu; Yang Jun; (37 pag.)CN110143974; (2019); A;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

585-88-6, Maltitol is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

585-88-6, Example 2; a) A tank is filled with Maltitol syrup at ca. 96% purity (C* Maltidex H 16330, Cargill); dry substance = 45% b) NaOH solution was added, (NaOH = 0.2% on db (dry base); pH >10.5 c) Followed by flowing through an heat exchanger (T=80C), and d) Flowing through the column with the anionic resin BVH=0.5 (Bed volume/hour) The results are displayed in Table 2.Table 2Flow: 0.5BVH Temp=80C

585-88-6 Maltitol 493591, aTetrahydropyrans compound, is more and more widely used in various fields.

Reference£º
Patent; CARGILL, INCORPORATED; WO2007/68578; (2007); A1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

1228779-96-1, 3-Nitro-4-(((tetrahydro-2H-pyran-4-yl)methyl)amino)benzenesulfonamide is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a solution of appropriate crude acid (1 eq) in CH2Cl2 wereadded EDCI (3 eq), DMAP (0.3 eq) and DIPEA (3 eq). The solutionwas stirred at room temperature for 0.5 h and compound 23 [7] (0.8eq) was added. The resulting mixture was stirred for another 8 hand water was added. The layers were separated, and the aqueouslayer was extracted with CH2Cl2. The combined organic layer waswashed with brine, dried over anhydrous Na2SO4, filtered, andconcentrated under vacuo. The residue was prified by chromatography(CH2Cl2/CH3OH 40:1) to provide target compounds 27a-i,28a-d and 34a-c., 1228779-96-1

As the paragraph descriping shows that 1228779-96-1 is playing an increasingly important role.

Reference£º
Article; Liu, Xiaohua; Zhang, Yu; Huang, Wenjing; Luo, Jia; Li, Yang; Tan, Wenfu; Zhang, Ao; European Journal of Medicinal Chemistry; vol. 159; (2018); p. 149 – 165;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1172623-99-2,tert-Butyl ((2R,3S)-2-(2,5-difluorophenyl)-5-hydroxytetrahydro-2H-pyran-3-yl)carbamate,as a common compound, the synthetic route is as follows.

1H (11.53 g, 35.03 mmol) was dissolved in dichloromethane (130 mL), cooled to 0 C A dess martin oxidant (29.72 g, 70.06 mmol)Was added to the reaction solution in portions and allowed to stand at room temperature for 4 hours.The solution was cooled to 0 C, saturated sodium bicarbonate solution (60 mL) was added dropwise to the reaction mixture, stirred for 20 minutes, filtered, the filtrate was allowed to stand,The aqueous phase was extracted with methyl tertiary butyl ether (60 mL x 3) and the combined organic phases were washed with saturated sodium bicarbonate solution (30 mL x 2). The organic phase was dried over anhydrous sodium sulfate,(10.85 g, yield 94.7%) as a white crystalline powder, and the residue was purified by column chromatography (petroleum ether / ethyl acetate (v / v) = 10: 1-4: 1).

1172623-99-2, As the paragraph descriping shows that 1172623-99-2 is playing an increasingly important role.

Reference£º
Patent; Sichuan Haisco Pharmaceutical Co.,Ltd; FAN, JIANG; CHEN, QINGPING; JIANG, WEI; ZHENG, SUXIN; YE, FEI; (128 pag.)TW2017/8221; (2017); A;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

1172623-99-2, tert-Butyl ((2R,3S)-2-(2,5-difluorophenyl)-5-hydroxytetrahydro-2H-pyran-3-yl)carbamate is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Tert-butyl (2R,3S)-2-(2,5-difluorophenyl)-5-hydroxyltetrahydro-2H-pyran-3-ylcarbamate (2.33 g, 7.08 mmol) was dissolved in a mixed solution of 24 mL acetonitrile, 4 mL water and 4 mL acetic acid. Thereto was added an aqueous solution (4 mL) of ruthenium chloride hydrate (3.7 mg, 0.0142 mmol), and cooled to 0 C. Sodium bromate (535 mg, 3.54 mmol) was added, and stirred at low temperature for about 1.5 hours until the raw materials were completely reacted. To the reaction solution was added 120 mL water, stirred at 0 C overnight, and extracted with dichloromethane. The organic phase was washed with water, dried and concentrated, and then the residue was purified by silica gel column chromatography (petroleum ether/ethyl acetate, 10:1) to give the intermediate 1 tert-butyl (2R,3S)-2-(2,5-difluorophenyl)-5-oxotetrahydro-2H-pyran-3-ylcarbamate (1.71 g) as a white solid in 74% yield. 1H-NMR (400 MHz, CDCl3): delta=7.22(1H, m), 7.00(1H, m), 4.82 (1H, m), 4.63 (1H, m), 4.29(1H, d, J=16.2Hz), 4.11(1H, d, J=16.4Hz), 4.05 (1H, m), 3.05(1H, m), 2.85 (1H, m), 1.30 (9H, s)., 1172623-99-2

As the paragraph descriping shows that 1172623-99-2 is playing an increasingly important role.

Reference£º
Patent; Centaurus BioPharma Co., Ltd.; Chai Tai Tianqing Pharmaceutical Group Co., Ltd.; Lianyungang Runzhong Pharmaceutical Co., Ltd.; XU, Xinhe; SHEN, Yu; XIAO, Dengming; LUO, Hong; PENG, Yong; HAN, Yongxin; ZHANG, Aiming; YANG, Ling; (51 pag.)EP3257857; (2017); A1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics