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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1199790Generated: October 25, 2026

Hexanoic anhydride → 8-chloro-1-(hydroxymethyl)-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine hexanoate

https://huagongshe.com/reaction/1199790

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHexanoic anhydrideHCID 74918—
Reactantalpha-HydroxyalprazolamHCID 162244—
SolventWaterHCID 962—
Product8-chloro-1-(hydroxymethyl)-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine hexanoateHCID 70359666—

Reaction Steps

In a manner similar to Example 12, a mixture of 8-chloro-1-(hydroxymethyl)-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine and hexanoic anhydride was heated on the water bath to give 8-chloro-1-(hydroxymethyl)-6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepine hexanoate (ester).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04902794
Source datasetuspto-grants-1990_02
ORD IDord-f55ee58803374c00b0dcb9fb7f8b386f
Source noteuspto-grants-1990_02