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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 906244Generated: October 30, 2026

Phosphorus oxychloride → 2-Chloro-4-(5-chloro-thiophen-2-yl)-6-trifluoromethyl-pyrimidine

https://huagongshe.com/reaction/906244

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
Reactant4-(5-Chloro-thiophen-2-yl)-6-trifluoromethyl-1h-pyrimidin-2-oneHCID 67393358—
Product2-Chloro-4-(5-chloro-thiophen-2-yl)-6-trifluoromethyl-pyrimidineHCID 86624627—

Reaction Steps

The title compound was prepared from 4-(5-chloro-thiophen-2-yl)-6-trifluoromethyl-1H-pyrimidin-2-one (10.0 g, 35.6 mmol) and phosphoroxychloride (50 ml) according to the general procedure I. Obtained as a brown oil (10.4 g, 98%). MS (EI) 298.0, 299.9 [(M)+].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08012986B2
Source datasetuspto-grants-2011_09
ORD IDord-18d1f992112b402b8696a9137afd3023
Source noteuspto-grants-2011_09