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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 257079Generated: October 26, 2026

4-Bromo-3-methylaniline → N-([(4-bromo-3-methylphenyl)amino]carbonyl)-4-methylbenzenesulfonamide

https://huagongshe.com/reaction/257079

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Bromo-3-methylanilineHCID 23359—
Reactantp-Toluenesulfonyl isocyanateHCID 77703—
SolventTolueneHCID 1140—
SolventDichloromethaneHCID 6344—
ProductN-([(4-bromo-3-methylphenyl)amino]carbonyl)-4-methylbenzenesulfonamideHCID 237541780%

Reaction Steps

A solution of 5.58 g of 4-bromo-3-methyl-aniline in 20 ml of toluene and 5 ml of methylene chloride was added to a solution of 5.91 g of p-toluene-sulfonyl isocyanate in 50 ml of toluene and 10 ml of methylene chloride under a nitrogen atmosphere. The mixture was stirred overnight and filtered, providing 9.19 g of the title product, m.p. 178°-180° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05260338
Source datasetuspto-grants-1993_11
ORD IDord-2b9c840527804147b86b4be65344d3b1
Source noteuspto-grants-1993_11