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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2057903Generated: November 2, 2026

5,11-Dihydro-6H-pyrido(2,3-b)(1,4)benzodiazepin-6-one → 11-(4-chlorobutyryl)-5,11-dihydro-6H-pyrido [2,3-b][1,4]-benzodiazepin-6-one

https://huagongshe.com/reaction/2057903

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5,11-Dihydro-6H-pyrido(2,3-b)(1,4)benzodiazepin-6-oneHCID 70169—
Reactant4-Chlorobutyryl chlorideHCID 78370—
SolventO-XyleneHCID 7237—
Product11-(4-chlorobutyryl)-5,11-dihydro-6H-pyrido [2,3-b][1,4]-benzodiazepin-6-oneHCID 15925617—

Reaction Steps

A solution of 4-chlorobutyryl chloride and 5,11-dihydro-6H-pyrido-[2,3-b][1,4]-benzodiazepine-6-one in xylene was reacted to obtain 11-(4-chlorobutyryl)-5,11-dihydro-6H-pyrido-[2,3-b][1,4]-benzodiazepine-6-one which after crystallization from ethyl acetate melted at 205°-207° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04213985
Source datasetuspto-grants-1980_07
ORD IDord-cc6d7efbf6754777a00bf08387fb5a8e
Source noteuspto-grants-1980_07