Tag: M.W:100-200

42923-79-5, 7-Nitro-1,2,3,4-tetrahydroisoquinoline is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,42923-79-5

7-nitrotetrahydroisoquinoline (35.6 mg, 0.2 mmol), graphene oxide (8 mg),And a stirrer is placed in the reaction tube, after replacing the inert gas,Add 1 ml of DMF and seal the reaction tube. Place the reaction tube in a 150C oil bath reaction potThe reaction was stirred for 18 hours; after cooling to room temperature, the catalyst was removed by filtration.The filtrate was diluted with 15 mL of water, diluted with 15 mL of water and extracted 3 times with ethyl acetate, 15 mL each time; the extracts were combined and dried over anhydrous sodium sulfate and filtered.The filtrate was concentrated under reduced pressure, and the crude product was subjected to column chromatography with ethyl acetate:petroleum ether=1:3 (containing 1% triethylamine) as eluent to obtain a pure product.Brown oil, yield 46%.

The synthetic route of 42923-79-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Xiangtan University; Gong Xing; Xie Guilin; Cai Changqun; Zhang Jingyu; (19 pag.)CN107827816; (2018); A;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

57196-62-0,57196-62-0, 6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

6-methoxytetrahydroisoquinoline hydrochloride (39.9 mg, 0.2 mmol),Manganese chloride tetrahydrate (5.9 mg, 0.03 mmol),And a stirrer in the reaction tube,After replacing inert gas,Add 1 ml DMF,Seal the reaction tube.Place the reaction tube in a 150C oil bath reaction pot.Stir the reaction for 10 hours;After cooling to room temperature,Diluted with 15mL water,And extracted three times with ethyl acetate,15mL each time;Combine the extracts,Dry with anhydrous sodium sulfate and filter.The filtrate was concentrated under reduced pressure.With ethyl acetate:The crude product was subjected to column chromatography with petroleum ether=1:3 (containing 1% triethylamine) as eluent to obtain a pure product.Yellow solid, melting point 63-64C, yield 81%.

57196-62-0 6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride 2920335, atetrahydroisoquinoline compound, is more and more widely used in various fields.

Reference£º
Patent; Xiangtan University; Gong Xing; Xie Guilin; Cai Changqun; Zhang Jingyu; (19 pag.)CN107986927; (2018); A;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.42923-79-5,7-Nitro-1,2,3,4-tetrahydroisoquinoline,as a common compound, the synthetic route is as follows.

7-nitro-1,2,3,4-tetrahydroisoquinoline (1 g, 5.61 mmol), N-Iodosuccinimide (1.64 g, 7.3 mmol) dissolved in Trifluoromethanesulfonic acid (5.5 mL, 61.73 mmol) allowed to react at room temperature overnight. After reaction completion crude reaction mixture was carefully transferred onto sat. NaHCO3 (aq) solution. After complete addition the aqueous layer was extracted with methylene chloride (2 X 75 mL). The combined organic extracts were then washed with aq. Sodium Thiosulfate (sat), dried over Na2SO4 (anhyd) and concentrated under reduced pressure to obtain providing 1.6 g of the crude as a purple color solid in 94% yield. This crude was then carried through next step without purification. 1H NMR (400 MHz, DMSO-d6) delta 8.40 (d, J = 2.4 Hz, 1H), 7.99 (d, J = 2.4 Hz, 1H), 3.88 (s, 2H), 2.96 (t, J = 6.0 Hz, 2H), 2.56 (t, J = 6.0 Hz, 2H). LRMS: (M+H)+ = 305.0 m/z. Yield: 94%., 42923-79-5

The synthetic route of 42923-79-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; SOUTHERN RESEARCH INSTITUTE; OYAGEN, INC.; ANANTHAN, Subramaniam; AUGELLI-SZAFRAN, Corinne E.; BENNETT, Ryan P.; SMITH, Harold C.; VENUKADASULA, Phanindra Krishna Mohan; (227 pag.)WO2019/133666; (2019); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

42923-79-5, 7-Nitro-1,2,3,4-tetrahydroisoquinoline is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

A solution of 7-nitro-1,2,3,4-tetrahydroisoquinoline (33.1) (200 mg, 1.12 mmol) and cyclobutanone (118 mg, 1.68 mmol) in methanol (15 mL) was stirred at ambient temperature for 2 h. NaBH3CN (141 mg, 2.24 mmol) was added, and the mixture was stirred at ambient temperature for 20 min. The reaction mixture was diluted with water and extracted with ethyl acetate. The combined organic layers were washed with water and brine, dried over sodium sulfate, and concentrated to afford the crude product. The crude product was purified by column chromatography (DCM/methanol: 10/1) to afford 2-cyclobutyl-7-nitro-1,2,3,4- tetrahydroisoquinoline (46.1) as a yellow oil (170 mg, 65%). [00668] LCMS: 233.1[M+1]+.

42923-79-5, The synthetic route of 42923-79-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; CELGENE AVILOMICS RESEARCH, INC.; SCHWARTZ, C., Eric; SURAPANENI, Sekhar, S.; WORM, Karin Irmgard; (266 pag.)WO2016/90079; (2016); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

42923-77-3, 6-Methoxy-1,2,3,4-tetrahydroisoquinoline is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,42923-77-3

To a solution of 6-methoxy-1,2,3,4-tetrahydroisoquinoline (1.08 g, 6.62 mmol) dissolved DCM (16 mL) was added Pyridine 1.6 mL, 19.85 mL) and (0678) Trifluoroaceticanhydride (2.8 ml, 19.85 mmol) and allowed to react overnight at room temperature. After reaction completion, quenched with water (25 mL) and extracted with ethyl acetate (3 X 50 mL). The combined organic layers were dried over anhydrous sodium sulfate, filtered and concentrated in vacuuo. Purification of the resulting crude by silica gel column chromatography provided the desired product as a colorless viscous oil in 98% yield (1.68 mg).1H NMR (400 MHz, Chloroform-d) delta 7.09- 7.01 (m, 1H), 6.79 (dt, J = 8.5, 3.0 Hz, 1H), 6.70 (dd, J = 10.3, 2.7 Hz, 1H), 4.71 (d, J = 18.6 Hz, 2H), 3.89- 3.80 (m, 2H), 3.80 (d, J = 1.5 Hz, 3H), 2.96- 2.90 (m, 2H). Yield: 98%.

42923-77-3 6-Methoxy-1,2,3,4-tetrahydroisoquinoline 39356, atetrahydroisoquinoline compound, is more and more widely used in various fields.

Reference£º
Patent; SOUTHERN RESEARCH INSTITUTE; OYAGEN, INC.; ANANTHAN, Subramaniam; AUGELLI-SZAFRAN, Corinne E.; BENNETT, Ryan P.; SMITH, Harold C.; VENUKADASULA, Phanindra Krishna Mohan; (227 pag.)WO2019/133666; (2019); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

43207-78-9, 7-Methoxy-1,2,3,4-tetrahydroisoquinoline is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,43207-78-9

To a solution OF 7-METHOXY-3, 4-DIHYDRO-2H-ISOQUINOLIN-1-ONE (200mg) in THF (8mL) is added LiAIH4 (76mg) and stirred for 3hr under reflux, and diluted with THF. The reaction mixture is added sodium sulfate decahydrate and filtration through celite pad. The filtrate is concentrated in vacuo. The residue is dissolved in Et20, then HCI in EtOAc is added the Et20. White precipitate is collected. by filtration to provide the title compound; 1 H NMR (CDCI3, 6 (ppm) ); 2.92 (dd, 2H), 3.30-3. 35 (m, 2H), 3.72 (s, 3H), 4.18-4. 23 (m, 2H), 6.81- 6.86 (m, 2H), 7.12 (d, 1H), 9.45 (brs, 2H).

43207-78-9 7-Methoxy-1,2,3,4-tetrahydroisoquinoline 417288, atetrahydroisoquinoline compound, is more and more widely used in various fields.

Reference£º
Patent; NOVARTIS AG; NOVARTIS PHARMA GMBH; WO2004/69256; (2004); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

42923-79-5, 7-Nitro-1,2,3,4-tetrahydroisoquinoline is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,42923-79-5

7-nitrotetrahydroisoquinoline (35.6 mg, 0.2 mmol), cobalt acetate tetrahydrate (7.5 mg, 0.33 mmol), and a stirrer were placed in a reaction tube. After replacing the inert gas, 1 was added. Dilute DMF and seal the reaction tube. Place the reaction tube in a 150C oil bath and stir the reaction for 3 hours. After cooling to room temperature, dilute with 15 mL of water and extract with ethyl acetate 3 times for 15 mL each. Combine the extracts with anhydrous sodium sulfate. The mixture was dried, filtered, and the filtrate was concentrated under reduced pressure. The crude product was subjected to column chromatography with ethyl acetate:petroleum ether=1:3 (containing 1% triethylamine) as an eluent to obtain a pure product. Brown oil, 75% yield

As the paragraph descriping shows that 42923-79-5 is playing an increasingly important role.

Reference£º
Patent; Xiangtan University; Gong Xing; Xie Guilin; Cai Changqun; Ma Juan; (21 pag.)CN107892670; (2018); A;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.42923-79-5,7-Nitro-1,2,3,4-tetrahydroisoquinoline,as a common compound, the synthetic route is as follows.,42923-79-5

General procedure: A mixture of the required 1,2,3,4-tetrahydroisoquinoline derivative (1 equivalent), NaHCO3 (2 equivalents), and the appropriate substituted nitroaryl derivative or 2-chloro-3,5-dinitropyridine (1 equivalent) was heated at reflux in a mixture of ethanol : water (2:1) with stirring (15 hours). After cooling to room temperature, the ethanol was evaporated and the residue was poured onto ice yielding a solid. The solid was collected and dried in a vacuum desiccator over P2O5 giving the crude N-(nitroaryl)-1,2,3,4-tetrahydroisoquinoline derivative or 1,2,3,4-tetrahydro-2-(3,5-dinitropyridin-2-yl)isoquinoline 12.

42923-79-5 7-Nitro-1,2,3,4-tetrahydroisoquinoline 6424833, atetrahydroisoquinoline compound, is more and more widely used in various fields.

Reference£º
Article; Burke, Philip J.; Chun Wong, Lai; Jenkins, Terence C.; Knox, Richard J.; Stanforth, Stephen P.; Bioorganic and Medicinal Chemistry Letters; vol. 21; 24; (2011); p. 7447 – 7450;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

A common heterocyclic compound, the tetrahydroisoquinoline compound, name is 1,2,3,4-Tetrahydroisoquinoline,cas is 91-21-4, mainly used in chemical industry, its synthesis route is as follows.

91-21-4, 2-Methanesulfonyl-l52,354-tetrahydro-isoquinolin-7-ylamine was prepared as follows: A solution of l5253,4-tetrahydro-isoquinolin-7-ylamine (1.255g)[ prepared from 1,2,3,4-tetrahydroisoquinoline according to J. Med. Chem., 2003, 46(5), pp831- 7.], NEt3 (l.lmL) and methanesulfonylchloride (0.6mL) in dry CH2Cl2 (2OmL) was stiired at R.T. overnight. Aqueous work-up followed by purification on silica gave 2- methanesulfonyl-7-nitro-l,25354-tetrahydro-isoquinoline (1.435g).

As the rapid development of chemical substances, we look forward to future research findings about 91-21-4

Reference£º
Patent; LUDWIG INSTITUTE FOR CANCER RESEARCH; CANCER RESEARCH TECHNOLOGY LIMITED; INSTITUTE OF CANCER RESEARCH: ROYAL CANCER HOSPITAL; ASTELLAS PHARMA INC; PIRAMED LIMITED; WO2007/42806; (2007); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

A common heterocyclic compound, the tetrahydroisoquinoline compound, name is 6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride,cas is 57196-62-0, mainly used in chemical industry, its synthesis route is as follows.

57196-62-0, A microwave tube (1OmL) was charged with 6-methoxytetrahydroisoquinoline hydrochloride (300mg, 1.5 mmol), 3,4,5-trimethoxybenzylchloride (325 mg, 1.5 mmol), triethylamine (0.5 mL, 3.6 mmol) dissolved in ethanol (5 mL) and sealed. The Vial was heated to 120 0C with 150W for 60 minutes. After cooling to room temperature the solution was dissolved in ethyl acetate and washed with water (2 x 10 mL), brine (10 mL)5 dried over MgSO4 and evaporated to dryness in vacuo. Purification by flash column chromatography on a flashmaster system (1:0-1:1 petrol 40-60:ethylacetate) afforded the desired compound in 16 % yield (81 mg) and >97 % purity as a soft solid, m.p.102-103 C; 1H NMR (270 MHz5 CDCl3) ?2.69 (2H5 d, J= 7.8), 2.87 (2H51, J= 7.8), 3.58 (2H, s), 3.59 (2H, s), 3.77 (3H, s), 3.84 (3H, s), 3.85 (6H, s), 6.62-6.71 (4H, m), 6.92 (IH5 d, J= 8.2); HRMS (ESI+) calcd. for C20H26NO4 (M+-I-H) 344.1856, found 344.1842; LC/MS (ES+) tt = 2.165 min, m/z 344.4 (M++H); HPLC ttau = 2.47 min (>97%).

As the rapid development of chemical substances, we look forward to future research findings about 57196-62-0

Reference£º
Patent; STERIX LIMITED; WO2008/117061; (2008); A2;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem