Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1731070Generated: October 25, 2026

Formaldehyde → 8-chloro-1-(2-hydroxyethyl)-6-(o-chlorophenyl)-4H-s-triazolo[4,3-a]-[1,4]benzodiazepine

https://huagongshe.com/reaction/1731070

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantTriazolamHCID 5556—
SolventO-XyleneHCID 7237—
Product8-chloro-1-(2-hydroxyethyl)-6-(o-chlorophenyl)-4H-s-triazolo[4,3-a]-[1,4]benzodiazepineHCID 21494835—

Reaction Steps

In the manner given in Example 1, 8-chloro-6-(o-chlorophenyl)-1-methyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine in xylene is heated in an oil bath at 122°-124° C. with repeated addition of portions of paraformaldehyde to give 8-chloro-1-(2-hydroxyethyl)-6-(o-chlorophenyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03994941
Source datasetuspto-grants-1976_11
ORD IDord-e5a5d04ef7024a52b399dc8ce8a50c82
Source noteuspto-grants-1976_11