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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 422336Generated: October 25, 2026

Dichloromethane → 2-(Chloromethyl)-1-methylbenzimidazole

https://huagongshe.com/reaction/422336

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantThionyl ChlorideHCID 24386—
Reactant(1-methyl-1H-1,3-benzodiazol-2-yl)methanolHCID 344177—
Product2-(Chloromethyl)-1-methylbenzimidazoleHCID 248044—

Reaction Steps

A solution of (1-methyl-1H-benzoimidazol-2-yl)-methanol (500 mg, 3.08 mmol) and SOCl2 (1.1 mL) in DCM (2 mmol) was stirred at room temperature for 3 hours. After evaporation of the solvents, 2-chloromethyl-1-methyl-1H-benzoimidazole (556 mg, 3.08 mmol) was obtained and was used without any purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08101637B2
Source datasetuspto-grants-2012_01
ORD IDord-0b66e1b3149f47a1bf2af31c1d742596
Source noteuspto-grants-2012_01