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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2270607Generated: October 29, 2026

Sodium hydride → N-(4-Bromo-3-methyl-5-isoxazolyl)-2-benzylbenzo[b]thiophene-3-sulfonamide

https://huagongshe.com/reaction/2270607

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium hydrideHCID 24758—
Reactant4-Bromo-3-methylisoxazol-5-amineHCID 10487519—
ReactantHCID 22998412HCID 22998412—
SolventTetrahydrofuranHCID 8028—
ProductN-(4-Bromo-3-methyl-5-isoxazolyl)-2-benzylbenzo[b]thiophene-3-sulfonamideHCID 10276523—

Reaction Steps

N-(4-bromo-3-methyl-5-isoxazolyl)-2-benzylbenzo[b]thiophene-3-sulfonamide was prepared by the method of Example 41 with 4-bromo-3-methyl-5-aminoisoxazole (1.0 mmoles, 0.177 g), NaH (2.5 mmoles, 100 mg), 2-benzylbenzo[b]thiophene-3-sulfonyl chloride (1.2 mmoles, 0.39 g) and THF (7 ml). Flash chromatography (5% methanol/chloroform) followed by recrystallization from chloroform and hexanes provided 0.11 g (24%) of a tan crystalline solid, m.p. 120-123° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06331637B1
Source datasetuspto-grants-2001_12
ORD IDord-63c490fc9b87449eb5a7cb65b0e2db41
Source noteuspto-grants-2001_12