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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1795933Generated: October 25, 2026

2-Amino-5,5-dimethyl-5,6-dihydro-4H-benzothiazol-7-one → 3-Bromo-5-chloro-N-(5,5-dimethyl-7-oxo-4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)-2-thiophenesulfonamide

https://huagongshe.com/reaction/1795933

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-5,5-dimethyl-5,6-dihydro-4H-benzothiazol-7-oneHCID 587874—
Reactant3-Bromo-5-chlorothiophene-2-sulfonyl chlorideHCID 2737400—
Product3-Bromo-5-chloro-N-(5,5-dimethyl-7-oxo-4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)-2-thiophenesulfonamideHCID 10226214—

Reaction Steps

The title compound was prepared from 2-amino-5,5-dimethyl-5,6-dihydro-1,3-benzothiazol-7(4H)-one (53 mg) and 3-bromo-5-chlorothiophene-2-sulfonyl chloride (80 mg) as described in the synthetic method to give a white solid (62.2 mg) with purity >90%: MS (pos) m/z 455.2, 457.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07030135B2
Source datasetuspto-grants-2006_04
ORD IDord-cced612832b448b1bdb2e9ddfbb67988
Source noteuspto-grants-2006_04