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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1989122Generated: November 3, 2026

Phosphorus oxychloride → 2-Chloro-4-(3,4-difluoro-phenyl)-6-trifluoromethyl-pyrimidine

https://huagongshe.com/reaction/1989122

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
Reactant4-(3,4-Difluoro-phenyl)-6-trifluoromethyl-1h-pyrimidin-2-oneHCID 57468669—
Product2-Chloro-4-(3,4-difluoro-phenyl)-6-trifluoromethyl-pyrimidineHCID 57468668—

Reaction Steps

The title compound was prepared from 4-(3,4-difluoro-phenyl)-6-trifluoromethyl-1H-pyrimidin-2-one (14.7 g, 0.053 mol) and phosphoroxychloride (148 mL) according to the general procedure I. Obtained as a light brown solid (15.6 g, 99%). MS (EI) 294.0 [(M)+]; mp 53° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07642264B2
Source datasetuspto-grants-2010_01
ORD IDord-0836566bce25476fb0caf06d0a07357f
Source noteuspto-grants-2010_01