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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 8699Generated: October 25, 2026

Water → 4-Chloro-6-(4-fluorophenyl)-2-methylpyrimidine

https://huagongshe.com/reaction/8699

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 178418772HCID 178418772—
SolventAcetonitrileHCID 6342—
Product4-Chloro-6-(4-fluorophenyl)-2-methylpyrimidineHCID 1587014297%

Reaction Steps

13.8 kg of 4-(4-fluorophenyl)-6-hydroxy-2-methylpyrimidine and 11.5 kg of phosphorus oxychloride were refluxed in acetonitrile, and stirred for 4 hours. The reaction solution was combined with water, and the precipitated crystal was separated, and the resultant crystal was washed and dried to obtain 14.6 kg of the target compound as a pale yellow crystal.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07091206B2
Source datasetuspto-grants-2006_08
ORD IDord-566f636694d74e4bbcaca894597ef315
Source noteuspto-grants-2006_08