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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1989103Generated: October 31, 2026

Phosphorus oxychloride → 2-Chloro-4-trifluoromethyl-6-(4-trifluoromethylphenyl)-pyridine

https://huagongshe.com/reaction/1989103

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
Reactant4-trifluoromethyl-6-(4-trifluoromethylphenyl)-1H-pyridin-2-oneHCID 57468622—
Product2-Chloro-4-trifluoromethyl-6-(4-trifluoromethylphenyl)-pyridineHCID 57468621—

Reaction Steps

The title compound was prepared from 4-trifluoromethyl-6-(4-trifluoromethylphenyl)-1H-pyridin-2-one (51.5 g, 168 mmol) and phosphoryl chloride (50 mL) according to the general procedure Ia to d preparation of chlorides. Obtained as an off-white solid (53.4 g, 98%). MS (ISN) 384.1 [(M+OAc)−], 386.0 [(M+2+OAc)−]; mp 39-40° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07642264B2
Source datasetuspto-grants-2010_01
ORD IDord-4cef0875ee484f49922f2f30e12548af
Source noteuspto-grants-2010_01