9,10-benzylidene-8-methyl-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine

Base Information

Chemical Name:9,10-benzylidene-8-methyl-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine
CAS No.:71444-75-2
Molecular Formula:C₂₀H₁₈N₂O₃
Molecular Weight:334.375
Hs Code.:

Synonyms:9,10-benzylidene-8-methyl-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine

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Chemical Property of 9,10-benzylidene-8-methyl-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine

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Technology Process of 9,10-benzylidene-8-methyl-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine

There total 7 articles about 9,10-benzylidene-8-methyl-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine 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: 83.8%

: 774-48-1
(diethoxymethyl)benzene

: 82635-61-8
9-hydroxy-5,11-dioxo-8-methyl-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine

: 71444-75-2
9,10-benzylidene-8-methyl-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine

Guidance literature:: at 200 ℃; for 0.333333h;

Reference yield:

: 1125-88-8
benzaldehyde dimethyl acetal

: 82635-61-8
9-hydroxy-5,11-dioxo-8-methyl-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine

: 71444-75-2
9,10-benzylidene-8-methyl-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine

Guidance literature:: DOI:10.1016/S0040-4039(01)81253-3

Reference yield:

: 7536-35-8
2-nitro-3-benzyloxy-4-methylbenzoyl chloride

: 71444-75-2
9,10-benzylidene-8-methyl-5,11-dioxo-2,3,5,10,11,11a-hexahydro-1H-pyrrolo<2,1-c><1,4>benzodiazepine

Guidance literature:: Multi-step reaction with 4 steps

1: 60.7 percent / triethylamine / CH₂Cl₂ / 1 h

2: 1. sodium dithionite, 2. aq. HCl / 1. 50percent aq. THF

3: 89.4 percent / H₂ / 10percent Pd/C / Ambient temperature

4: 83.8 percent / 0.33 h / 200 °C

With hydrogenchloride; sodium dithionite; hydrogen; triethylamine; palladium on activated charcoal; In dichloromethane;