Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 429566Generated: October 30, 2026

Bromine → HCID 178432201, compound

https://huagongshe.com/reaction/429566

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromineHCID 24408—
ReactantNoName_3663HCID 315500—
SolventAcetic AcidHCID 176—
ProductHCID 178432201HCID 17843220180.6%

Reaction Conditions

Temperature25 °C

Reaction Steps

To a solution of 0.9 g (6.1 mmol) of 2-methyl-5-aminobenzimidazole in 50 ml of AcOH was added 0.16 ml of Br2 (3.1 mmol) 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 (20% Isopropanol/EtOAC) to yield 0.56 g (2.5 mmol, 41%) of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06316637B1
Source datasetuspto-grants-2001_11
ORD IDord-a5e972421d32405c80f8d552a3f68e86
Source noteuspto-grants-2001_11