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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1186655Generated: November 2, 2026

2-Thiophenesulfonamide → 5-Chlorothiophene-2-Sulfonamide

https://huagongshe.com/reaction/1186655

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-ThiophenesulfonamideHCID 72881—
Reactant(1,1'-Biphenyl)-4-sulphonyl chlorideHCID 74192—
Product5-Chlorothiophene-2-SulfonamideHCID 1241301—

Reaction Steps

5.2.4 5-chlorothiophene-2-sulfonamide was prepared according to the procedure for thiophene-2-sulfonamide YG1-030 except using 4-biphenylsulfonyl chloride, which afforded the title compound 932.5 mg (94.4%) as a white solid, m.p.: 110-112° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08673910B2
Source datasetuspto-grants-2014_03
ORD IDord-839e549d328f4100ace4a16de23130ed
Source noteuspto-grants-2014_03