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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 730760Generated: October 25, 2026

Phosphorus oxychloride → 2-chloro-6-(trifluoromethyl)-4-(3,4,5-trifluorophenyl)-1H-benzoimidazole

https://huagongshe.com/reaction/730760

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 11631329HCID 11631329—
Product2-chloro-6-(trifluoromethyl)-4-(3,4,5-trifluorophenyl)-1H-benzoimidazoleHCID 11638867—

Reaction Steps

The benzoimidazol-2-one from step (a) above (1.1 g, 3.3 mmol) reacted with POCl3 under the conditions of Example 1c to give the title compound as a white solid. MS (ESI, pos. ion) m/z: 350 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07582761B2
Source datasetuspto-grants-2009_09
ORD IDord-b505c7f114604e83b5448a0bb8155e4b
Source noteuspto-grants-2009_09