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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2163289Generated: October 31, 2026

Hydrogen Bromide → HCID 20329310, compound

https://huagongshe.com/reaction/2163289

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 20329357HCID 20329357—
SolventAcetic AcidHCID 176—
ProductHCID 20329310HCID 20329310—

Reaction Steps

3.1 g of 1-[(p-methoxybenzyloxy)-methyl]-8-chloro-6-phenyl-4H-s-triazolo[4,3-a][1,5]benzodiazepin-5-one in 30 ml acetic acid, at 25°, is stirred with 24 ml 48% aqueous hydrobromic acid for 20 minutes. The reaction is neutralized with 30% aqueous sodium hydroxide and extracted with chloroform. The organic phase is separated, washed with water, dried and the solvent evaporated to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04133809
Source datasetuspto-grants-1979_01
ORD IDord-43611d1c1a5249cb911f8b6a3e16c01e
Source noteuspto-grants-1979_01