Day: November 23, 2020

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.3336-43-4,1-Chloroisoquinolin-4-ol,as a common compound, the synthetic route is as follows.

The mixture of 1-chloroisoquinolin4-ol (0.5 g, 2.8 mmol) and [6-({[tert- butyl (dimethyl) silyl] oxy} methyl) pyridin-2-yl] methyl methanesulfonate (0.9 g, 2.8 mmol) in anhydrous DMF (15 mL) was treated with potassium hydroxide (0.16 g, 2.8 mmol) at rt. After 12, the mixture was partitioned between saturated aqueous NaHC03 (10 mL) and EtOAc (20 mL). The phases were separated and the aqueous layer was extracted with EtOAc (3 x 20 mL). The combined organic layers were dried (MgSO4), filtered, and concentrated. The residue was purified on silica gel (20: 1 hexane-ethyl acetate) to provide 4-{ [6-({ [tert-butyl (dimethyl) silyl] oxy} methyl) pyridin-2-yl] methoxy}-1-chloroisoquinoline as an orange oil : LRMS (ESI) m/z 416 (416 calcd for C22H27ClN202Si, M+H).

3336-43-4, As the paragraph descriping shows that 3336-43-4 is playing an increasingly important role.

Reference£º
Patent; MERCK & CO., INC.; WO2005/41971; (2005); A1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

63006-93-9,63006-93-9, (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

Example 1. Preparation of a combinatorial library of substituted 2-aminomethyl-5-hydroxy-1H-indole-3-carboxylic acids esters of general formula 1.1. A mixture of 0.357 mmol of ester 2, 0.43 mmol of a secondary amine 3, and 0.43 mmol of formaldehyde in the form of formalin in 3 ml of dioxane is heated at 70-80C at stirring for 12 to 48 hours. Progress of the reaction is monitored by chromato-mass-spectrometry. Upon completion of the reaction, the reaction mass is diluted with water, the residue is filtered and recrystallized from a suitable solvent, or purified by chromatography.

As the paragraph descriping shows that 63006-93-9 is playing an increasingly important role.

Reference£º
Patent; Alla Chem, LLC.; Ivashchenko, Andrey, Alexandrovich; EP2036889; (2009); A2;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.27104-72-9,Methyl isoquinoline-1-carboxylate,as a common compound, the synthetic route is as follows.

A solution of methyl 1-isoquinolinecarboxylate (1.00 g, 5.34 mmol) in dry THF (30 mL) was cooled to -70 C in a dry ice/MeOH bath. To that solution was added a suspension of LiAlH4 (0.10 g, 2.67 mmol) in THF (10 mL). The resulting brown reaction mixture was stirred for 15 min followed by a quench with glacial acetic acid (1.3 mL). Once the mixture warmed to RT the aluminum salts were precipitated with a few drops 1 N NaOH. The heterogeneous mixture was filtered, and the solvent was removed under vacuum. The residue was dissolved into a small portion of CH2Cl2 and chromatographed on silica (1:1 hexanes: EtOAc, Rf = 0.79) affording 1-isoquinolinecarboxaldehyde (0.28 g, 33%) as a crystalline white solid. 1H NMR (CDCl3): 10.40 ppm (1H, s); 9.33 ppm (1H, m); 8.76 ppm (1H, d, J = 5.6 Hz); 7.91 ppm (2H, m); 7.77 ppm (2H, m). 13C NMR (CDCl3): 195.63, 149.79, 142.41, 136.85, 130.74, 130.01, 126.91, 126.31, 125.70, 125.45 ppm. IR (KBr pellet): 3033, 2844, 1703 cm-1., 27104-72-9

27104-72-9 Methyl isoquinoline-1-carboxylate 21196988, aisoquinoline compound, is more and more widely used in various fields.

Reference£º
Article; Nyiranshuti, Lea; Kennedy, Daniel P.; DiPasquale, Antonio G.; Rheingold, Arnold L.; Planalp, Roy P.; Polyhedron; vol. 109; (2016); p. 147 – 153;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

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, Intermediate 88 (375 mg) was dissolved in concentrated sulfuric acid (2 ml), then added with potassium nitrate (260 mg) with ice cooling and stirred for 2 hours. The reaction mixture was added with 28% aqueous ammonia (10 ml) and extracted twice with ethyl acetate (15 ml for each time). The organic layer was dried over anhydrous sodium sulfate, and then the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (n-hexane:ethyl acetate=1:1) to obtain the title compound (332 mg).

1532-91-8 4-Chloroisoquinoline 640974, aisoquinoline compound, is more and more widely used in various fields.

Reference£º
Patent; Yamada, Rintaro; Seto, Minoru; US2005/20623; (2005); A1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

19493-45-9, 3-Chloroisoquinoline is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Tris(dibenzylideneacetone)dipalladium (0) (0.05 g, 0.06 mmol), 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene (0.015 g, 0.03 mmol), cesium carbonate (0.5 g, 2.0 mmol) and 2-chloroquinoline (0.085 g, 0.52 mmol) were added sequentially to a stirred solution of N-[1-(4-amino-benzenesulfonyl)-piperidin-4-yl]-acrylamide in dry dioxane (5 ml) under a nitrogen atmosphere. The mixture was heated to 110 C. for 12 hours. After this time the mixture was cooled to room temperature, filtered through a pad of celite, the celite was washed with EtOAc (50 ml) and the filtrate was washed sequentially with citric acid (10% solution, 20 ml) and brine (20 ml). The organic layer was separated, dried (MgSO4), filtered and concentrated. The resulting residue was purified by prep HPLC to give the title compound (0.002 g, 0.5% yield) as a white solid.

19493-45-9, The synthetic route of 19493-45-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Prime, Michael; Courtney, Stephen Martin; Marston, Richard; Dominguez, Celia; Macdonald, Douglas; Wityak, John; US2012/302539; (2012); A1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.486-73-7,Isoquinoline-1-carboxylic acid,as a common compound, the synthetic route is as follows.

Isoquinoline carboxylic acid a (5.0 g, 28.9 mmol), N.O-dimethy-hydroxylamine hydrochloride (3.1 g, 31.8 mmol) EDC (6.1 g, 32 mmol), DIPEA (5.7 mL, 32 mmol) and MeCN (50 mL) were mixed together and stirred at rt overnight. The MeCN was removed under reduced pressure and the residue partitioned between water (200 mL) and EtOAc (200 mL). The phases were separated and the aqueous phase was extracted with EtOAc (2 x 50 mL). The combined organic phases were b as a colorless solid.

486-73-7, The synthetic route of 486-73-7 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; GENENTECH, INC.; WO2006/69063; (2006); A1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

105627-79-0, Isoquinoline-5-sulfonyl chloride hydrochloride is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Isoquinoline-5-sulfonyl chloride hydrochloride (33 g, prepared according to the method described in Japanese Patent Unexamined Publication (Kokai) No. 57-200366) was added to dichloromethane (300 ml) and water (300 ml), added with sodium hydrogencarbonate with vigorous stirring until pH of the aqueous layer became 5 to 6. The reaction mixture was further extracted three times with dichloromethane, and the organic layer was dried over anhydrous magnesium sulfate. This solution was added dropwise to a solution of ethylenediamine (30 g) in dichloromethane (600 ml) over 2 hours with ice cooling and stirred at room temperature for 30 minutes. After completion of the reaction, the reaction mixture was added with diluted hydrochloric acid with vigorous stirring to adjust pH of the aqueous layer to about 8. The organic layer and the aqueous layer were separated, and then the aqueous layer was collected and added with potassium carbonate to obtain a saturated solution, which was extracted with dichloromethane (600 ml). The organic layer was dried over anhydrous magnesium sulfate, and then the solvent was evaporated under reduced pressure to obtain the title compound (22.9 g).

105627-79-0, As the paragraph descriping shows that 105627-79-0 is playing an increasingly important role.

Reference£º
Patent; Yamada, Rintaro; Seto, Minoru; US2005/20623; (2005); A1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

164148-92-9, tert-Butyl 6-amino-3,4-dihydroisoquinoline-2(1H)-carboxylate is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: 4-(naphthalen-2-ylmethyl)aniline (DC-TEADin02-2, 80mg, 0.34mmol) was stirred with pyridine (0.5mL) in DCM (10mL) at 0C, then 2-Chloroethanesulfonyl chloride (56mg, 0.343mmol) which was diluted with DCM (2mL) was slowly added into the mixture. The reaction mixture was stirred for 2h then evaporated. The residue was diluted and extracted with EtOAc then washed with water for 3 times. The organic layers were dried over Na2SO4 and evaporated. The residue was chromatographed (silicagel, Petroleum ether/EtOAc=5:1) to give N-(4-(naphthalen-2-ylmethyl)phenyl)ethenesulfonamide (DC-TEADin02) (93mg, 85%) as a white solid.

164148-92-9, 164148-92-9 tert-Butyl 6-amino-3,4-dihydroisoquinoline-2(1H)-carboxylate 2756371, aisoquinoline compound, is more and more widely used in various fields.

Reference£º
Article; Lu, Wenchao; Wang, Jun; Li, Yong; Tao, Hongru; Xiong, Huan; Lian, Fulin; Gao, Jing; Ma, Hongna; Lu, Tian; Zhang, Dan; Ye, Xiaoqing; Ding, Hong; Yue, Liyan; Zhang, Yuanyuan; Tang, Huanyu; Zhang, Naixia; Yang, Yaxi; Jiang, Hualiang; Chen, Kaixian; Zhou, Bing; Luo, Cheng; European Journal of Medicinal Chemistry; vol. 184; (2019);,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

147497-32-3, 6-Bromo-3,4-dihydroisoquinolin-1(2H)-one is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General Procedure: To a stirred solution of the bromoisoquinoline 3 (0.25 g, 1.1 mmol) in toluene (10 mL), under argon atmosphere, 2M (aq) K2CO3 (0.55 mL, 1.1 mmol,) and Pd(PPh3)4 (80 mg, 6 mol%) were added. The solution was stirred for 20 min at r.t. Then, a solution of 4-pyridylboronic acid (0.22 g, 1.65 mmol) in EtOH (15 mL) was added, and the reaction moisture was heated up to 90 C for 6 h. After that, the mixture was cooled to room temperature before the addition of H2O2 (30%, 1 mL) and stirred for a further 1h. The desired product was then extracted with CH2Cl2 (3 ¡Á 25 mL), the combined organic layers were washed with water, and brine, dried over anhydrous Na2SO4, filtered, and concentrated under reduced pressure. The crude product was purified by flash column chromatography on silica gel (2:1 AcOEt:hexane) to give the desired product., 147497-32-3

147497-32-3 6-Bromo-3,4-dihydroisoquinolin-1(2H)-one 21865450, aisoquinoline compound, is more and more widely used in various fields.

Reference£º
Conference Paper; Ortega, Raquel; Huebner, Harald; Gmeiner, Peter; Masaguer, Christian F.; Bioorganic and Medicinal Chemistry Letters; vol. 21; 9; (2011); p. 2670 – 2674;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem