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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 429574Generated: October 29, 2026

Bromine → HCID 178507333, compound

https://huagongshe.com/reaction/429574

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromineHCID 24408—
ReactantHCID 18379842HCID 18379842—
SolventAcetic AcidHCID 176—
ProductHCID 178507333HCID 17850733386%

Reaction Conditions

Temperature25 °C

Reaction Steps

To a solution of 1.1 g (3.7 mmol) of 2-diphenylmethyl-5-aminobenzimidazole in 50 ml of AcOH was added 0.07 ml (1.3 mmol) of Br2 dropwise and resulting reaction mixture was stirred for 1 h at 25° C. Reaction mixture was concentrated in vacuo and purified on silica gel column chromatography (5% MeOH/EtOAC) to yield 0.42 g (1.1 mmol, 86%) of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06316637B1
Source datasetuspto-grants-2001_11
ORD IDord-740b9e26ce6442d1a17b8887f070d033
Source noteuspto-grants-2001_11