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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 868466Generated: October 30, 2026

Thionyl Chloride → N-methane-sulphonyl-3-(2-chloro-5-trifluoromethylphenoxy)benzamide

https://huagongshe.com/reaction/868466

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
ReactantMethanesulfonamideHCID 72879—
Reactant3(2-Chloro-5-trifluoromethylphenoxy)benzoic acidHCID 19389250—
Reactant5-[2-chloro-5-(trifluoromethyl)phenoxy]-N-methanesulfonyl-2-nitrobenzamideHCID 21287079—
SolventPyridineHCID 1049—
ProductN-methane-sulphonyl-3-(2-chloro-5-trifluoromethylphenoxy)benzamideHCID 21287082—

Reaction Steps

The acid from (b) (0.8 g) was treated with thionyl chloride followed by methanesulphonamide and pyridine as described in paragraph (d) above for compound 32. The product was recrystallised from a mixture of ether and petroleum (b.p. 40°-60°) to give compound 31 with a melting point of 132°-133°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04780128
Source datasetuspto-grants-1988_10
ORD IDord-3c8d4042321a43dea7d84804a6b8d860
Source noteuspto-grants-1988_10