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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 918651Generated: November 1, 2026

Thionyl Chloride → 3-Nitro-4-phenoxy-5-sulfamoylbenzoyl chloride

https://huagongshe.com/reaction/918651

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant3-(Aminosulfonyl)-5-nitro-4-phenoxybenzoic acidHCID 119926—
Product3-Nitro-4-phenoxy-5-sulfamoylbenzoyl chlorideHCID 21506035—

Reaction Steps

A mixture of 3-nitro-4-phenoxy-5-sulphamyl-benzoic acid (5g) and thionyl chloride (50 ml) was heated on a steam bath for 5 hours. After evaporation in vacuo to dryness, the compound was obtained as a crude product, which was used in the next step without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03971819
Source datasetuspto-grants-1976_07
ORD IDord-7545cf5b607c49e1bbdebabb0cea2fea
Source noteuspto-grants-1976_07