4,5-dihydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester

Base Information

• Chemical Name: 4,5-dihydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester
• CAS No.: 706808-78-8
• Molecular Formula: C₂₆H₃₀N₂O₈
• Molecular Weight: 498.533

Synonyms:4,5-dihydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester

Chemical Property of 4,5-dihydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester

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Technology Process of 4,5-dihydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester

There total 2 articles about 4,5-dihydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl 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: 87.0%

4,5,5a,8-tetrahydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester (706808-75-5) → 4,5-dihydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester (706808-78-8)

Guidance literature:

With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In toluene; at 110 ℃;

DOI:10.1016/j.tetlet.2004.03.075

Reference yield:

6-vinyl-4,7-dihydro-3H-[1,2]diazepine-1,2-dicarboxylic acid 2-benzyl ester 1-tert-butyl ester (706808-72-2) → 4,5-dihydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester (706808-78-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 97 percent / toluene / 6 h / 110 °C

2: 87 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / toluene / 110 °C

With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In toluene;

DOI:10.1016/j.tetlet.2004.03.075

Reference yield: 75.0%

4,5-dihydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester (706808-78-8) → 1,2,4,5-tetrahydro-benzo[d][1,2]diazepine-3,6,7-tricarboxylic acid 3-benzyl ester 6,7-dimethyl ester

Guidance literature:

With trifluoroacetic acid; In dichloromethane; at 20 ℃; for 1h;

DOI:10.1016/j.tetlet.2004.03.075

upstream raw materials:

4,5,5a,8-tetrahydro-1H-benzo[d][1,2]diazepine-2,3,6,7-tetracarboxylic acid 3-benzyl ester 2-tert-butyl ester 6,7-dimethyl ester

6-vinyl-4,7-dihydro-3H-[1,2]diazepine-1,2-dicarboxylic acid 2-benzyl ester 1-tert-butyl ester

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