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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2121734Generated: November 2, 2026

Hydrochloric Acid → 2-amino-N-(methylsulfonyl)benzamide

https://huagongshe.com/reaction/2121734

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantIsatoic AnhydrideHCID 8359—
ReactantLithium methanesulfonamidateHCID 86584665—
SolventDimethyl SulfoxideHCID 679—
SolventDiethyl EtherHCID 3283—
Product2-amino-N-(methylsulfonyl)benzamideHCID 23434190—

Reaction Steps

Lithium methanesulfonamidate (1.0 g, 10 mmol) and isatoic anhydride (1.63 g, 10 mmol) in dimethyl sulfoxide (5 mL) were heated at 80° C. for 30 min. The reaction was cooled down to room temperature and acidified with hydrogen chloride in diethyl ether. The ether was evaporated and water added. The precipitated oil was purified by column chromatography on silica gel eluting with ethyl acetate/methanol (95:5). The desired material was obtained in a yield of 0.52 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06696475B2
Source datasetuspto-grants-2004_02
ORD IDord-f86a31ee3e934ef2b80d13a6a8072894
Source noteuspto-grants-2004_02