Analyzing the synthesis route of 52986-70-6

The synthetic route of 52986-70-6 has been constantly updated, and we look forward to future research findings.

52986-70-6, 6-Methoxyisoquinoline is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

52986-70-6, Isoquinolin-6-ol Heat a mixture of 6-methoxy-isoquinoline (2.1 g, 13.2 mmol) and pyridine hydrochloride (30 g) in a heavy walled screw cap sealed tube at 160C overnight. Cool to room temperature, add water and concentrated ammonium hydroxide to bring the pH of the mixture to 10-11, extract with ethyl acetate (4 times), wash the combined organic extracts with water (4 times), and concentrate under reduced pressure. Purification by medium pressure liquid chromatography eluting with 0-3% of 2N NH3/MeOH in dichloromethane afford the title compound (520 mg, 27%): 8H (DMSO-d6,400 MHz) : 7.09 (s, 1H), 7.19 (dd, 1H, J = 9, 2 HZ), 7.56 (d, 1H, J = 6 HZ), 7.94 (d, 1H, J = 9 Hz), 8.29 (d, 1H, J = 6 Hz), 9.05 (s, 1H), 10.36 (s, 1H).

The synthetic route of 52986-70-6 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; ELI LILLY AND COMPANY; WO2004/43903; (2004); A1;,
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Brief introduction of 106778-42-1

The synthetic route of 106778-42-1 has been constantly updated, and we look forward to future research findings.

106778-42-1, Isoquinoline-6-carbonitrile is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a solution of 55 (20 mg, 0.13 mmol) in ethanol (2 mL) were added Pd/C (4 mg) and 37% HCl (0.05 mL), and the reaction mixture was stirred at room temperature under H2 for 24 h. Saturated aqueous Na2CO3 (10 mL) was added. The mixture was filtered, and the filtrate was extracted with DCM (30 mL x 3). The combined organic layers were dried over Na2SO4 and concentrated to give the desired product (20 mg, 97%) as a light yellow solid, which was used directly in the next step without further purification. 1HNMR (400 MHz, CDCl3) d 9.31 (s, 1H), 8.60 (d, J = 5.6 Hz, 1H), 8.27(s, 1H), 8.04 (d, J = 8.8 Hz, 1H), 7.96 (d, J = 8.8 Hz, 1H), 7.74 (d,J = 5.6 Hz, 1H), 4.00 (s, 2H)., 106778-42-1

The synthetic route of 106778-42-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Xu, Zhixiang; Xu, Xiangxiang; O’Laoi, Ruadhan; Ma, Haikuo; Zheng, Jiyue; Chen, Shuaishuai; Luo, Lusong; Hu, Zhilin; He, Sudan; Li, Jiajun; Zhang, Hongjian; Zhang, Xiaohu; Bioorganic and Medicinal Chemistry; vol. 24; 22; (2016); p. 5861 – 5872;,
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Brief introduction of 76884-34-9

The synthetic route of 76884-34-9 has been constantly updated, and we look forward to future research findings.

76884-34-9,With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.76884-34-9,Isoquinolin-3-ylmethanol,as a common compound, the synthetic route is as follows.

The product so obtained was reduced to 3-hydroxymethylisoquinoline which was converted to 3-chloromethylisoquinoline hydrochloride using the procedures described in Note c. above for the conversion of quinoline-3-carbaldehyde to 3-chloromethylquinoline hydrochloride.

The synthetic route of 76884-34-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Imperial Chemical Industries PLC; ICI Pharma; US5089495; (1992); A;; ; Patent; IMPERIAL CHEMICAL INDUSTRIES PLC; ICI PHARMA; EP381375; (1990); A1;,
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Analyzing the synthesis route of 6624-49-3

The synthetic route of 6624-49-3 has been constantly updated, and we look forward to future research findings.

6624-49-3, Isoquinoline-3-carboxylic acid is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,6624-49-3

General procedure: Removal of the Boc protecting group of compound 5 was preformed at room temperature for 1 h with a solution of HCl 4N in dioxane. The mixture was then concentrated in vacuo, diluted with MeOH, and concentrated several times in vacuo. The residue was coupled with various carboxylic acids (1.1 equiv), in the presence of BOP (1.1 equiv) and DIEA (pH=9) for 2 h, in DCM. The mixture was then concentrated in vacuo, and the residue was dissolved in AcOEt. The organic layer was successively washed with aqueous solutions of 1M KHSO4, saturated NaHCO3, and brine. The organic layer was dried over Na2SO4, filtered, and concentrated in vacuo to yield the desired compound. All the final compounds were purified by preparative HPLC on a C18 column using a water/acetonitrile/TFA 0.1percent gradient.

The synthetic route of 6624-49-3 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Blayo, Anne-Laure; Maingot, Mathieu; Aicher, Babette; M’Kadmi, Cline; Schmidt, Peter; Mueller, Gilbert; Teifel, Michael; Guenther, Eckhard; Gagne, Didier; Denoyelle, Sverine; Martinez, Jean; Fehrentz, Jean-Alain; Bioorganic and Medicinal Chemistry Letters; vol. 25; 1; (2015); p. 20 – 24;,
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New learning discoveries about 891785-28-7

As the paragraph descriping shows that 891785-28-7 is playing an increasingly important role.

891785-28-7, 6-Bromoisoquinolin-3-amine is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

891785-28-7, Steps 1-2 To a mixture of 6-bromoisoquinolin-3-amine (XX)(4.0 g, 17.93 mmol), Pd(dppf)Cl2-CH2Cl2 adduct (1.03 g, 1.26 mmol), KOAc (4.39 g, 44.83 mmol)and 4,4,5,5-tetramethyl-2-(4,4,5 ,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3,2-dioxaborolane (5.01 g, 19.72 mmol)in 1,4-dioxane (50 mL)was bubbled with N2 for 2 min. The reaction mixture was sealed and heated at 90 C. for 1.5 h. The reaction was cooled to room temperature, filtered and washed with EtOAc. The filtrate was concentrated and the residue taken in dioxane (50 mL). To the suspension was added 4-bromo-2-methyl-pyrazole-3-carbaldehyde (XLVIII)(3.39 g, 17.93 mmol)followed by K3PO4 (9.52 g, 44.83 mmol), Pd(dppf)Cl2-CH2C2 adduct (1.03 g, 1.26 mmol)and water (15 mL). The mixture was purged with N2 for a min, sealed and heated again at 90 C. for 19 h. The mixture was cooled to room temperature and concentrated to about 20 mL. The concentrate was diluted with EtOAc and filtered through a pad of Celite. The filtrate was diluted with water and the organic layer separated. The organic layer was washed with brine; dried, filtered and concentrated. The residue was triturated in ether and the resulting solid filtered to afford 4-(3-amino-6-isoquinolyl)-2-methyl-pyrazole-3-carbaldehyde (XLIX)(4.1 g, 16.2 mmol, 90.6% yield)as a brown solid. 1H NMR (499 MHz, DMSO-d6)delta ppm 0.01 (6H, s), 0.86 (9H, s), 0.88-1.00 (2H, m), 1.23-1.35 (2H, m), 1.35-1.46 (1H, m), 1.69-1.79 (2H, m), 1.85-1.95 (2H, m), 2.21 (1H, tt, J=12.21, 3.57 Hz), 3.38 (2H, d, J=6.31 Hz), 3.57 (3H, s)ESIMS found for C14H12N4O m/z 252.95 (M+1).

As the paragraph descriping shows that 891785-28-7 is playing an increasingly important role.

Reference£º
Patent; Samumed, LLC; KC, Sunil Kumar; Mak, Chi Ching; Eastman, Brian Walter; Cao, Jianguo; Bollu, Venkataiah; Mittapalli, Gopi Kumar; Chiruta, Chandramouli; (218 pag.)US2017/313682; (2017); A1;,
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Brief introduction of 1532-97-4

The synthetic route of 1532-97-4 has been constantly updated, and we look forward to future research findings.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1532-97-4,4-Bromoisoquinoline,as a common compound, the synthetic route is as follows.

Reference Example 1; 4-Fluoroisoquinoline; A solution of n-butyllithium in n-hexane (1.58 M, 60.1 ml, Kanto Chemicals) was added with tetrahydrofuran (345 ml), and the mixture was sufficiently cooled on a dry ice-acetone bath. The mixture was added dropwise with a solution of 4-bromoisoquinoline (9.0 g, Tokyo Kasei Kogyo) in tetrahydrofuran (65 ml) over 1 hour so that the temperature of the reaction mixture should not exceed -65¡ã C. The mixture was stirred at the same temperature for 30 minutes, and then added dropwise with a solution of N-fluorobenzenesulfonimide (30 g, Tokyo Kasei Kogyo) in tetrahydrofuran (100 ml) over 1 hour so that the temperature of the reaction mixture should not exceed -65¡ã C. Subsequently, the mixture was stirred at the same temperature for 1 hour, then the cooling bath was removed, and the mixture was gradually warmed to room temperature. The reaction mixture was added with saturated aqueous sodium hydrogencarbonate (300 ml) and ethyl acetate (300 ml), and stirred at room temperature for 12 hours. The organic layer was separated, and the aqueous layer was extracted with ethyl acetate 3 times (200 ml for each time). The combined organic layer was washed with saturated brine (500 ml), and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, the residue was added with chloroform (250 ml), and the insoluble solids were removed by filtration. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel chromatography (n-hexane:ethyl acetate=5:1) to obtain the title compound (3.6 g).MS (m/z): 148 (MH+)1H-NMR (CDCl3) delta (ppm): 7.26-7.71 (1H, m), 7.75-7.82 (1H, m), 8.03 (1H, dd, J=1.2 Hz, J=8.4 Hz), 8.10 (1H, d, J=8.4 Hz), 8.38 (1H, s), 9.08 (1H, s), 1532-97-4

The synthetic route of 1532-97-4 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Asahi Kasei Pharma Corporation; US2010/93789; (2010); A1;,
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New learning discoveries about 18881-17-9

18881-17-9 (S)-(1,2,3,4-Tetrahydroisoquinolin-3-yl)methanol 776757, aisoquinoline compound, is more and more widely used in various.

18881-17-9, (S)-(1,2,3,4-Tetrahydroisoquinolin-3-yl)methanol is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,18881-17-9

To a stirred solution of 2-(4-chloro-3-dibutylcarbamoyl-5-methyl-pyrazol-l-yl)-5- methoxy-benzoic acid (0.35 g, 0.82 mmol) and (S)-(l,2,3,4-tetrahydroisoquinolin-3-yl)methanol (0.13 g, 0.82 mmol) in dichloromethane (8 mL) under nitrogen atmosphere was added l-ethyl-3- (3-dimethylaminopropyl)carbodiimide (0.16 g, 0.82 mmol) and hydroxybenzotriazole (0.13 g, 0.82 mmol). The mixture was stirred at ambient temperature for 5 minutes. Triethylamine (0.34 mL, 2.5 mmol) was added to the mixture. The reaction was stirred for 60 hours at ambient temperature. The mixture was washed with water and purified by eluting through a silica gel column with a 10 to 100% ethyl acetate / heptane gradient to afford the title compound (21 mg, 4.5% yield). MS (ESI) [m/e, (M+H)+] = 567.3. XH NMR (400 MHz, chloroform-d) delta ppm 6.75 – 7.36 (m, 7 H), 4.13 – 5.41 (m, 4 H), 3.80 – 3.96 (m, 3 H), 2.51 – 3.71 (m, 8 H), 2.17 – 2.32 (m, 3 H), 1.48 – 1.68 (m, 4 H), 1.19 – 1.44 (m, 4 H), 0.70 – 0.97 (m, 6 H).

18881-17-9 (S)-(1,2,3,4-Tetrahydroisoquinolin-3-yl)methanol 776757, aisoquinoline compound, is more and more widely used in various.

Reference£º
Patent; NOVARTIS AG; FORD, Daniel; PORTER, John Robert; VISSER, Michael Scott; YUSUFF, Naeem; WO2013/96051; (2013); A1;,
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Analyzing the synthesis route of 1532-91-8

The synthetic route of 1532-91-8 has been constantly updated, and we look forward to future research findings.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1532-91-8,4-Chloroisoquinoline,as a common compound, the synthetic route is as follows.,1532-91-8

EXAMPLE 16 1-[(4-Chloro-5-isoquinolinyl)sulfonyl]-hexahydro-1H-1,4-diazepine dihydrochloride Using 2.08 g of 4-chloroisoquinoline (synthesised in accordance with J. Org. Chem., 1961, 26, 468), 4-chloro-5-chlorosulfonylisoquinoline was synthesised as in Reference Example 1.

The synthetic route of 1532-91-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Nippon Shinyaku Co., Ltd.; US6153608; (2000); A;,
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Analyzing the synthesis route of 105627-79-0

The synthetic route of 105627-79-0 has been constantly updated, and we look forward to future research findings.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.105627-79-0,Isoquinoline-5-sulfonyl chloride hydrochloride,as a common compound, the synthetic route is as follows.

EXAMPLE 17 In 100 ml of ice water was dissolved 8.8 g of 5-isoquinolinesulfonyl chloride hydrochloride, and the pH of the solution was adjusted to 6 with a saturated aqueous sodium hydrogencarbonate solution, followed by extraction with 100 ml of dichloromethane. The dichloromethane layer was added dropwise to a 100mml of dichloromethane solution containing 5.30 g of N-hexyl-2-hydroxypropylamine and 4.0 g of triethylamine over a period of 20 minutes while cooling with ice. The mixture was stirred at a temperature of 15 C. to 20 C. for 2 hours, washed with water, and dried with anhydrous magnesium sulfate. Then, the dichloromethane was removed under reduced pressure to obtain an oily residue. The thus obtained oily residue was subjected to purification by silica gel column chromatography (Wacogel C-200, 200 g; solvent: a 2% methanol solution in chloroform) to obtain 9.02 g of N-hexyl-N-(2-hydroxypropyl)-5-isoquinolinesulfonamide., 105627-79-0

The synthetic route of 105627-79-0 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Asahi Kasei Kogyo Kabushiki Kaisha; US4798897; (1989); A;,
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Some tips on 131002-09-0

131002-09-0 6-Chloroisoquinolin-1(2H)-one 21779697, aisoquinoline compound, is more and more widely used in various.

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.131002-09-0,6-Chloroisoquinolin-1(2H)-one,as a common compound, the synthetic route is as follows.

6-chloroisoquinolin-1 (2Eta)-one (12 mmol), diphenyl disulfide (10 mmol), silver hexafluoroantimonate (12 mmol) and 6 parts were sequentially added to a pressure-resistant reaction tube at room temperature. Dichloroethane (6 mL). The reaction mixture was then reacted at 100 C for 8 hours. The reaction was stopped, concentrated under reduced pressure to give a crude material, which was washed with a mixture of petroleum ether and ethyl acetate. 4-phenylthio-6-chloroisoquinolin-1 (2H)-one. Yield 80%;, 131002-09-0

131002-09-0 6-Chloroisoquinolin-1(2H)-one 21779697, aisoquinoline compound, is more and more widely used in various.

Reference£º
Patent; Nankai University; Zhu Youquan; He Jingli; Niu Yunxia; Han Tingfeng; Li Haoyu; (14 pag.)CN108822035; (2018); A;,
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