8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine-4-carboxylic acid ethyl ester

Base Information

• Chemical Name: 8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine-4-carboxylic acid ethyl ester
• CAS No.: 38150-36-6
• Molecular Formula: C₂₁H₁₉ClN₄O₂
• Molecular Weight: 394.86

Synonyms:8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine-4-carboxylic acid ethyl ester

Chemical Property of 8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine-4-carboxylic acid ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine-4-carboxylic acid ethyl ester

There total 2 articles about 8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine-4-carboxylic acid ethyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

alprazolam (28981-97-7) → 8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine-4-carboxylic acid ethyl ester (38150-36-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 56 percent / NaH / ethanol / 1.5 h / Heating

2: 1.) NaH / 1.) DMF, RT, 1 h 50 min, 2.) DMF, a) RT 2 h 15 min, b) from 100 deg C to 105 deg C, 2 h, c) RT, 18 h

With sodium hydride; In ethanol;

DOI:10.1021/jm00180a012

Reference yield:

→ 8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine-4-carboxylic acid ethyl ester (38150-36-6)

Guidance literature:

8-Chlor-1-methyl-6-phenyl-4H-s-triazolo-<4.3a><1.4>-benzodiazepin-4-carbonsaeure-ethylester, CH3I;

Reference yield: 63.3%

8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine-4-carboxylic acid ethyl ester (38150-36-6) → 8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine (38150-37-7)

Guidance literature:

With sodium hydroxide; In ethanol; for 5h; Heating;

DOI:10.1021/jm00180a012

upstream raw materials:

alprazolam

Downstream raw materials:

8-chloro-1,4-dimethyl-6-phenyl-4H-s-triazolo<4,3-a><1,4>benzodiazepine

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