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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1738404Generated: October 30, 2026

4-Bromo-3-methylisoxazol-5-amine → HCID 23445573, compound

https://huagongshe.com/reaction/1738404

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Bromo-3-methylisoxazol-5-amineHCID 10487519—
ReactantHCID 22998501HCID 22998501—
SolventChloroform methanolHCID 21584188—
ProductHCID 23445573HCID 23445573—

Reaction Steps

N-(4-bromo-3-methyl-5-isoxazolyl)-5-(2-thienyl)thiophene-2-sulfonamide was prepared in the same manner as described in Example 2. Reaction of 2-chlorosulfonyl-5,2'-bithiophene (300 mg, 1.14 mmol) with 5-amino-4-bromo-3-methylisoxazole (183 mg, 1.03 mmol) yielded, after flash chromatography using 10% MeOH/CHCl3, 430 mg (94%) of a pale brown solid, m.p. 210° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05962490
Source datasetuspto-grants-1999_10
ORD IDord-3ba092dd86e94cc18e06a6fc765208b4
Source noteuspto-grants-1999_10