Heterocyclic Building Blocks-Isoquinoline

347146-33-2, 1-Chloroisoquinolin-6-amine is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Example 63 1-Chloro-6-(4-(pyrrolidin-1 ylsulfonyl)benzenesulfonylamino)isoquinoline The title compound was obtained by the procedure of Example 1, except using 6-amino-1-chloroisoquinoline (Preparation Example 23) and 4-(pyrrolidin-1-ylsulfonyl)benzenesulfonyl chloride. 1H-NMR (CDCl3) delta (ppm): 1.71 (4H, m), 3.20 (4H, t, J=7.0 Hz), 7.46 (1H, d, J=5.4 Hz), 7.49 (1H, dd, J=2.0, 9.2 Hz), 7.61 (1H, d, J=2.0 Hz), 7.87 (2H, d, J=8.8 Hz), 8.02 (2H, d, J=8.8 Hz), 8.19 (1H, d, J=9.2 Hz), 8.20 (1H, d, J=5.4 Hz), 9.72 (1H, s)., 347146-33-2

347146-33-2 1-Chloroisoquinolin-6-amine 22674114, aisoquinoline compound, is more and more widely used in various fields.

Reference£º
Patent; Haneda, Toru; Tsuruoka, Akihiko; Kamata, Junichi; Okabe, Tadashi; Takahashi, Keiko; Nara, Kazumasa; Hamaoka, Shinichi; Ueda, Norihiro; Wakabayashi, Toshiaki; Funahashi, Yasuhiro; Semba, Taro; Hata, Naoko; Yamamoto, Yuji; Ozawa, Yoichi; Tsukahara, Naoko; Owa, Takashi; US2003/144507; (2003); A1;,
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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.

Powdered isoquinoline-5-sulfonyl chloride hydrochloride (1.00 g, 3.79 mmol) is added in small portions to a stirred solution of tert-butylamine (2.00 mL, 18.9 mmol) in CHIC12 (10 mL) at 0 C under nitrogen. The resultant mixture is allowed to stir at ambient temperature for 1 hour. Ethyl acetate (50 mL) is added to the mixture and the mixture is washed with saturated aqueous NAHCO3 (20 mL). The organic layer is dried over MGS04, filtered and concentrated. The crude product is chromatographed on silica (gradient 0-2% CH30H in CH2C12) to give 857 mg (3.24 mmol, 86% yield) of the title compound as a white solid. ESIMS : m/z 265 (M+H) +. Analysis for C13HL6N202S : calcd : C, 59.07 ; H, 6.10 ; N, 10.60 ; found: C, 59.21 ; H, 6.01 ; N, 10.67.

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; ELI LILLY AND COMPANY; WO2004/94386; (2004); A1;,
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23687-26-5, 6-Aminoisoquinoline is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a mixture of Intermediate 25.2 (0.054 mmol) in 1 mL CH3CN at rt, were added DIEA (14 muL, 0.082 mmol) and 6-aminoisoquinoline (15.7 mg, 0.109 mmol). The mixture was stirred at rt for 2 h, then was diluted with EtOAc, washed with H2O and brine, dried (Na2SO4) and concentrated. The crude product was purified by flash chromatography (0 to 100percent EtOAc/hexanes gradient) to afford 22.5 mg of Intermediate 25.3 as a yellow solid.

23687-26-5, 23687-26-5 6-Aminoisoquinoline 588991, aisoquinoline compound, is more and more widely used in various fields.

Reference£º
Patent; Glunz, Peter W.; Wurtz, Nicolas; Cheng, Xuhong; US2006/211720; (2006); A1;,
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Isoquinoline | C9H7N – PubChem

475994-60-6,475994-60-6, 8-Bromoisoquinolin-1(2H)-one is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Step-3: (0534) Preparation of ethyl 2-(8-bromo-1-oxoisoquinolin-2(1H)-yl)acetate: (0535) [00227] A mixture of 8-bromoisoquinolin-1(2H)-one (2.5 g, 11.15 mmol), ethyl 2- bromoacetate (2.5 mL, 22.31 mmol) and potassium carbonate (4.62 g, 33.47 mmol) in acetone (100 mL) was heated at 60 ¡ãC for 2 h. The reaction mixture was filtered and the filtrate was concentrated. The crude product was purified by column chromatography using 30percent ethyl acetate in hexane to afford the title compound ethyl 2-(8-bromo-1-oxoisoquinolin-2(1H)- yl)acetate (2.1 g, 61percent yield) as a brownish solid. Calculated (M+H): 310.00; Found (M+H): 310.0

As the paragraph descriping shows that 475994-60-6 is playing an increasingly important role.

Reference£º
Patent; LUC THERAPEUTICS; ANDERSON, David, R.; VOLKMANN, Robert, A.; MENNITE, Frank, S.; FANGER, Christopher; (390 pag.)WO2017/100591; (2017); A1;,
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With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.34784-05-9,6-Bromoisoquinoline,as a common compound, the synthetic route is as follows.

General procedure: 1,3-Dimethylbarbituric acid-based alkenes 1 (0.2 mmol), isoquinolines 2 (0.2 mmol) and methyl perfluoroalk-2-ynoates 3 (0.24 mmol) were stirred in MeCN (2.0 mL) at 50 C for 2 h. When methyl 4,4,4-trifluorobut-2-ynoate 3a was used as substrate, the solvent was removed under reduced pressure, DCM (1.0 mL) and silica gel (200 mesh, 0.5 g) were added. The mixture was stirred at room temperature for another 1 h. The solvent was removed under reduced pressure and the residue was purified by column chromatography on silica gel by eluting with petroleum ether / ethyl acetate (10:1) to afford the desired products 4; If methyl 4,4,5,5,5-pentafluoropent-2-ynoate 3b or methyl 4,4,5,5,6,6,6-heptafluorohex-2-ynoate 3c was served as starting material, the solvent was removed under reduced pressure and the residue was purified by column chromatography on silica gel by eluting with petroleum ether / ethyl acetate (10:1) to afford the desired products 4 and 4′.

34784-05-9, 34784-05-9 6-Bromoisoquinoline 313681, aisoquinoline compound, is more and more widely used in various fields.

Reference£º
Article; Yu, Minhui; Wu, Yueci; Peng, Xin; Han, Jing; Chen, Jie; Kan, Yuhe; Deng, Hongmei; Shao, Min; Zhang, Hui; Cao, Weiguo; Journal of Fluorine Chemistry; vol. 216; (2018); p. 33 – 42;,
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With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1082041-78-8,6-Methyl-3,4-dihydroisoquinolin-1(2H)-one,as a common compound, the synthetic route is as follows.

6-MethyI-3 -dihydroisoquinoliB~l(2H)~one (I-69d: SOOmg, 3.1 mmol) was reacted with 3~bromo-4-(trifluoromethyl)^yrid:ine (842rng, 3.72mmol), 1 ,4-dioxane (20mL), copper iodide (S9mg, OJ lm oi), . r^m’-N^N’-dimethyl-cyclbhexyl- 1 ,2- diaraine (44mg, 0.31mmo ) and potassium phosphate (1 ,64g5 7.76inmoi) 2 days ai 120C to afford the crude product. Purification by column chromatography on silica gel (2% methanol in CHCI3) afforded 150 mg of the product (15.7% yield),, 1082041-78-8

The synthetic route of 1082041-78-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; NOVARTIS AG; BOCK, Mark G.; GAUL, Christoph; GUMMADI, Venkateshwar Rao; MOEBITZ, Henrik; SENGUPTA, Saumitra; WO2012/35078; (2012); A1;,
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With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.51206-40-7,1,4-Dibromoisoquinoline,as a common compound, the synthetic route is as follows.,51206-40-7

Dibromoisoquinoline (5, 29 mg, 0.1 mmol) Example 1, step 1, and M-NH2 (0.2 mmol) in 8-mL vial were heated in 1 mL of n-butanol at 90 C for 36 hrs. The mixture was cooled to room temperature and the solvent was evaporated under reduced pressure. 4-Mercaptopyridine (23 mg, 0.2 mmol) and cesium carbonate (67 mg, 0.2 mmol) were added to the vial. The mixture was heated at 180 C for 1 hr and was allowed to cool to room temperature. Methanol (2 mL) was added to the vial and the mixture was sonicated for 10 min and filtered. The methanol solution of reaction mixture was collected and evaporated under reduced pressure. The formation of product was confirmed by LC/MS. The invention compounds of Examples 83 – 92 as shown in the below table were prepared by method B-1.

As the paragraph descriping shows that 51206-40-7 is playing an increasingly important role.

Reference£º
Patent; BAYER CORPORATION; EP1228063; (2009); B1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.82827-09-6,6-Bromoisoquinolin-1(2H)-one,as a common compound, the synthetic route is as follows.

82827-09-6, 6-Bromo-2-(4-methoxy-benzyl)-2H-isoquinolin-1-one (13); 28.18 g (125.8 mmol) 6-bromo-2H-isoquinolin-1-one (6) were dissolved in 200 ml dimethylacetamide and 7.55 g (188.7 mmol) sodium hydride (60%) were added at room temperature. After stirring for 30 minutes, 29.94 g (188.7 mmol) 4-methoxy- benzylchloride were added and stirring was continued at room temperature until complete conversion was detected. The solvent was removed under reduced pressure, the residue taken up in saturated NaHCO3-solution and extracted three times with dichloromethane. The organic layers were dried with MgSO4 and evaporated. Final purification was achieved by silicagel chromatography. Rt = 1.93 min (Method B). Detected mass: 344.1 (M+H+).

As the paragraph descriping shows that 82827-09-6 is playing an increasingly important role.

Reference£º
Patent; SANOFI-AVENTIS; WO2008/77553; (2008); A1;,
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Isoquinoline | C9H7N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.23687-25-4,Isoquinolin-4-amine,as a common compound, the synthetic route is as follows.

4-Aminoisoquinoline (27 mg, 0.19 mmol), final product 03 (20 mg, 0.062 mmol) and Et3N (25 mg, 0.25 mmol) were weighed into a bottle, and DMF was added to dissolve the reaction reagent.The reaction was heated at 50 C overnight.The crude reaction product was directly purified by reverse phase HPLC to obtain the target compound YD028 (24.4 mg)., 23687-25-4

The synthetic route of 23687-25-4 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Chinese Academy Of Sciences Shanghai Pharmaceutical Institute; Zhao Yujun; Li Jia; Wang Zengtao; Zhang Shiyan; Zang Yi; Wang Peipei; Sun Dandan; Zhang Hanyan; (155 pag.)CN110818683; (2020); A;,
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Isoquinoline | C9H7N – PubChem

39989-39-4, 7-Methoxyisoquinoline is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

III. Synthesis of 7-Hydroxyisoquinoline To a 2-liter, 3-necked round bottom flask equipped with a magnetic stir bar and addition funnel is added 19.7 g (0.124 mole) of 7-methoxyisoquinoline and 800 ml of dry dichloromethane. This solution is stirred and cooled to -75 C. with a dry ice/acetone bath, 628 ml (0.628 mole) of 1.0M boron tribromide in dichloromethane is added dropwise maintaining the temperature at -75 C. Thereafter the slurry is stirred for 18 hours allowing the temperature to rise to room temperature. The reaction slurry is poured into 1 liter of ice water and stirred for an hour. The layers are separated and the aqueous layer is then adjusted from acidic to neutral (pH 7) with 1N NaOH. A yellow solid precipitates and is filtered off, then air dried to yield 14.5 g of a yellow solid, 81%., 39989-39-4

39989-39-4 7-Methoxyisoquinoline 594375, aisoquinoline compound, is more and more widely used in various fields.

Reference£º
Patent; The Procter & Gamble Company; US5763611; (1998); A;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem