Tag: 99365-69-2

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.99365-69-2,7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride,as a common compound, the synthetic route is as follows.,99365-69-2

To a stirred suspension of 7-nitro- 1,2,3, 4-tetrahydroisoquino line hydrochloride (7.00 g, 32.6 mmol) in dichloromethane (150 mL) at ambient temperature was added triethylamine (9.55 mL, 68,5 mmol) To the resulting solution was added di-tert-butyl dicarbonate (7.83 g, 35.9 mmol). The resulting solution was stirred at ambient temperature for 90 minutes, then concentrated. The residue was partitioned between ethyl acetate (100 mL) and IM citric acid (100 mL). The organic layer was washed with brine (50 mL), dried over sodium sulfate and concentrated to afford tert-butyl 7-nitro-3,4-dihydroisoquinoline- 2(lH)-carboxylate as a brown oil (9.43 g, 104percent yield).

99365-69-2 7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride 13521670, atetrahydroisoquinoline compound, is more and more widely used in various.

Reference£º
Patent; ARRAY BIOPHARMA INC.; WO2009/158426; (2009); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride, cas is 99365-69-2, it is a common heterocyclic compound, the tetrahydroisoquinoline compound, its synthesis route is as follows.

(4-2-1) To 125 ml of suspension in ethanol of 136 g of 7-nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride was added 98 ml of triethylamine and 83 ml of ethyl acrylate, and the solution was heated and stirred overnight under reflux. The solution was concentrated under reduced pressure, and the residue was extracted with ethyl acetate, washed with water, and dried with anhydrous sodium sulfate. After separating the desiccant by filtration, the filtrate was concentrated under reduced pressure to obtain 2-(2-(ethoxycarbonyl)ethyl)-7-nitro-1,2,3,4-tetrahydroisoquinoline.

99365-69-2, With the rapid development of chemical substances, we look forward to future research findings about 99365-69-2

Reference£º
Patent; Terumo Kabushiki Kaisha; US5789595; (1998); A;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

99365-69-2, 7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

1) Production of 2-(7-nitro-3,4-dihydroisoquinolin-2(1H)-yl)ethanol: An acetonitrile solution (30 mL) of 3 g of the compound obtained in Production Example 22-1), 2.3 g of 2-chloroethanol and 3.9 g of potassium carbonate was stirred at 100¡ãC for 15 hours. The reaction liquid was cooled, diluted with chloroform and washed with saturated saline water. The organic layer was washed with saturated saline water, dried with anhydrous magnesium sulfate, and the solvent was evaporated away under reduced pressure. The resulting crude product was purified through basic silica gel column chromatography (hexane/ethyl acetate) and further through silica gel column chromatography (hexane/ethyl acetate) to obtain 1.5 g of the entitled compound as a colorless solid. 1H-NMR (CDCl3) delta: 8.00 (1H, dd, J=8.5, 2.2 Hz), 7.93 (1H, d, J=2.2 Hz), 7.28-7.25 (1H, m), 3.78 (2H, s), 3.74 (2H, t, J=5.5 Hz), 3.00 (2H, t, J=5.9 Hz), 2.86 (2H, t, J=5.9 Hz), 2.76 (2H, t, J=5.5 Hz) ESI-MS Found: m/z [M+H] 223

As the paragraph descriping shows that 99365-69-2 is playing an increasingly important role.

Reference£º
Patent; Banyu Pharmaceutical Co., Ltd.; EP2168966; (2010); A1;,
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.99365-69-2,7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride,as a common compound, the synthetic route is as follows.

(a) 2-benzyl-7-nitro-1,2,3,4-tetrahydroisoquinoline monohydrochloride To a solution of 7-nitro-1,2,3,4-tetrahydroisoquinoline monohydrochloride (2.50 g, 11.6 mmol) and potassium carbonate (2.0 g) in acetonitrile (100 ml) was added benzyl bromide (2.22 g, 13.0 mmol) in acetonitrile (10 ml). The solution was stirred overnight and the solid was then removed by filtration. The solvent was removed in vacuo to give a solid which was partitioned between methylene chloride and water. The dried (MgSO4) organic phase was concentrated and the resulting oil was taken up in ethanol (50 ml). This solution was made acidic with hydrochloric acid in ethanol. The precipitate which formed had set up solid and an additional 150 ml of ethanol and 50 ml of ether was added. The solid was collected and air dried to give 2-benzyl-7-nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride as an off white solid (2.78 g (79percent)), m.p. 256¡ã-8¡ã C. (dec).

99365-69-2 7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride 13521670, atetrahydroisoquinoline compound, is more and more widely used in various.

Reference£º
Patent; Astra Aktiebolag; US5807886; (1998); 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.99365-69-2,7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride,as a common compound, the synthetic route is as follows.

7-nitro-l,2,3,4-tetrahydro-isoquinoline hydrochloride (2.57 g) was stirred inCH2Cl2/satd. NaHCO3 for 40 min. After separation of the layers (hydrophobic frit) the solvent was evaporated and the resulting solid dissolved in EtOH (80 ml), PtO2 (112 mg) was added and the mixture was stirred under an atmosphere of hydrogen for 3h. The catalyst was removed by filtration and solvent evaporated to give 7-amino-l,2,3,4-tetrahydro-isoquinoline as a brown solid (1.73 g).

99365-69-2 7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride 13521670, atetrahydroisoquinoline compound, is more and more widely used in various.

Reference£º
Patent; PIRAMED LIMITED; THE INSTITUTE OF CANCER RESEARCH; WO2008/125839; (2008); A2;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem