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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1413641Generated: October 30, 2026

Thionyl Chloride → 2-Chloro-4-trifluoromethyl-5-thiazolecarbonyl chloride

https://huagongshe.com/reaction/1413641

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant2-Chloro-4-(trifluoromethyl)-1,3-thiazole-5-carboxylic acidHCID 13282743—
Product2-Chloro-4-trifluoromethyl-5-thiazolecarbonyl chlorideHCID 13282744—

Reaction Steps

A mixture of 36.0 g (0.1554 mole) of the acid of Example 7 and 171 g (1.437 mole) of thionyl chloride were held at reflux for 6 hours. Excess thionyl chloride was removed under reduced pressure and the residue (38.1 g, 98%) was reacted as described in Examples 9-14.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04251261
Source datasetuspto-grants-1981_02
ORD IDord-4a6fd126b8154b37b374b110c37da39d
Source noteuspto-grants-1981_02