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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 328394Generated: October 31, 2026

Methyl pyruvate → 7-nitro-2-[[1-(methoxycarbonyl)ethylidene]hydrazino]-5-(o-chlorophenyl)-3H-1,4-benzodiazepine

https://huagongshe.com/reaction/328394

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl pyruvateHCID 11748—
Reactant7-nitro-2-hydrazino-5-(o-chlorophenyl)-3H-1,4-benzodiazepineHCID 20291856—
Product7-nitro-2-[[1-(methoxycarbonyl)ethylidene]hydrazino]-5-(o-chlorophenyl)-3H-1,4-benzodiazepineHCID 54299636—

Reaction Steps

In the manner given in Example 1, 7-nitro-2-hydrazino-5-(o-chlorophenyl)-3H-1,4-benzodiazepine can be stirred with methyl pyruvate at room temperature to give 7-nitro-2-[[1-(methoxycarbonyl)ethylidene]hydrazino]-5-(o-chlorophenyl)-3H-1,4-benzodiazepine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04017492
Source datasetuspto-grants-1977_04
ORD IDord-e3a90caad9d34c7eb7cd603dabc7955d
Source noteuspto-grants-1977_04