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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 382384Generated: October 31, 2026

Methylamine → 4-[(Ethylamino)sulfonyl]benzoic acid

https://huagongshe.com/reaction/382384

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantEthylamineHCID 6341—
Reactant4-(Chlorosulfonyl)benzoic acidHCID 82385—
Product4-[(Ethylamino)sulfonyl]benzoic acidHCID 61176664%

Reaction Steps

A reaction was carried out following the conditions of Example 32 using 4.4 g (20 mmol) of 4-chlorosulfonylbenzoic acid and an ethylamine solution instead of the 40% aqueous solution of methylamine. The reaction product was post-treated to obtain 2.92 g of 4-ethylaminosulfonylbenzoic acid (yield 64%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06310070B1
Source datasetuspto-grants-2001_10
ORD IDord-1d7bc9aff01a4cf78574cc20dc121891
Source noteuspto-grants-2001_10