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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 54690Generated: October 29, 2026

Ammonium Hydroxide → 2-{2-[(2-hydroxyethyl)amino]-1H-benzimidazol-1-yl}-1-phenylethanone

https://huagongshe.com/reaction/54690

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium HydroxideHCID 14923—
Reactant2-(2-Hydroxyethylamino)-1-phenacylbenzimidazole dihydrobromideHCID 19040800—
Product2-{2-[(2-hydroxyethyl)amino]-1H-benzimidazol-1-yl}-1-phenylethanoneHCID 2850100—

Reaction Steps

Add 22% ammonium hydroxide to 75 ml of a hot solution of the dihydrobromide obtained in Step A in 95° alcohol until a pH of approximately 10 is obtained. The title compound precipitates and is filtered, washed with water and dried.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05623073
Source datasetuspto-grants-1997_04
ORD IDord-31389e86c4f54555a7926b88794f66ba
Source noteuspto-grants-1997_04