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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1389297Generated: November 2, 2026

Dimethyl Sulfoxide → 3-Nitro-4-(propylamino)benzoic acid

https://huagongshe.com/reaction/1389297

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl SulfoxideHCID 679—
ReactantPropylamineHCID 7852—
Reactant4-Fluoro-3-nitrobenzoic acidHCID 67987—
SolventWaterHCID 962—
Product3-Nitro-4-(propylamino)benzoic acidHCID 11715556—

Reaction Conditions

Temperature60 °C

Reaction Steps

A mixture of 7.1 parts of 4-fluoro-3-nitrobenzoic acid, 9.1 parts of 1-propanamine and 25 parts of dimethyl sulfoxide is stirred for 3 hours at 60° C. The reaction mixture is poured onto 150 parts of water. The precipitated product is filtered off, washed with water and dried, yielding 8.8 parts of 3-nitro-4-(propylamino)benzoic acid; mp. 208° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04243806
Source datasetuspto-grants-1981_01
ORD IDord-3124773b1da84caeb90808334657b201
Source noteuspto-grants-1981_01