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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 441396Generated: October 30, 2026

Sodium hydride → 8-bromo-1-[(ethylhydroxyamino)methyl]-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine

https://huagongshe.com/reaction/441396

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium hydrideHCID 24758—
ReactantEthanamine, N-hydroxy-HCID 164700—
Reactant8-bromo-1-(chloromethyl)-6-(2-pyridyl)-4H-s triazolo[4,3-a][1,4]benzodiazepineHCID 20361200—
SolventDimethylformamideHCID 6228—
Product8-bromo-1-[(ethylhydroxyamino)methyl]-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepineHCID 20361198—

Reaction Steps

In the manner given in Example 16, a solution of N-ethylhydroxylamine in dimethylformamide is treated with sodium hydride suspended in mineral oil, and the mixture is treated with 8-bromo-1-(chloromethyl)-6-(2-pyridyl)-4H-s-triazolo [4,3-a][1,4]benzodiazepine to give 8-bromo-1-[(ethylhydroxyamino)methyl]-6-(2-pyridyl)-4H-s-triazolo [4,3-a][1,4]benzodiazepine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04039551
Source datasetuspto-grants-1977_08
ORD IDord-d3a61d3c065c4fef9b649c7cdaad2504
Source noteuspto-grants-1977_08