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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 328402Generated: October 29, 2026

Diazomethane → 7-chloro-2-[[1-(methoxycarbonyl)-3-butenylidene]hydrazino]-5-(o-chlorphenyl)-3H-1,4-benzodiazepine

https://huagongshe.com/reaction/328402

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazomethaneHCID 9550—
Reactant7-chloro-2-[(1-carboxy-3-butenylidene)hydrazino]-5-(o-chlorophenyl)-3H-1,4-benzodiazepineHCID 86734641—
Product7-chloro-2-[[1-(methoxycarbonyl)-3-butenylidene]hydrazino]-5-(o-chlorphenyl)-3H-1,4-benzodiazepineHCID 73793499—

Reaction Steps

In the manner given in Example 10, a solution of 7-chloro-2-[(1-carboxy-3-butenylidene)hydrazino]-5-(o-chlorophenyl)-3H-1,4-benzodiazepine can be treated with ethereal diazomethane to give 7-chloro-2-[[1-(methoxycarbonyl)-3-butenylidene]hydrazino]-5-(o-chlorphenyl)-3H-1,4-benzodiazepine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04017492
Source datasetuspto-grants-1977_04
ORD IDord-806eaa5412dc43d48cd651dbc83cfd1d
Source noteuspto-grants-1977_04