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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1413358Generated: November 2, 2026

Bromoacetyl chloride → 1-bromomethyl-8-chloro-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine

https://huagongshe.com/reaction/1413358

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromoacetyl chlorideHCID 89602—
ReactantSodium AcetateHCID 517045—
Reactant7-Chloro-2-hydrazinyl-5-phenyl-3H-1,4-benzodiazepineHCID 12390874—
Product1-bromomethyl-8-chloro-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepineHCID 20205220—

Reaction Steps

In the manner given in Preparation 2, 7-chloro-5-phenyl-3H-1,4-benzodiazepin-2-yl hydrazine was reacted with bromoacetyl chloride and after 1.5 hours with sodium acetate, then refluxed to give 8-chloro-1-(bromomethyl)-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04250094
Source datasetuspto-grants-1981_02
ORD IDord-ba0abe60cd8b4aecb02a53080aeadd14
Source noteuspto-grants-1981_02