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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2186471Generated: October 30, 2026

4-Difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid → 4-Difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid (5-methyl-3-trifluoromethylisoxazol-4-yl)-amide

https://huagongshe.com/reaction/2186471

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acidHCID 22456643—
Reactant5-Methyl-3-(trifluoromethyl)isoxazol-4-amineHCID 22456648—
Product4-Difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid (5-methyl-3-trifluoromethylisoxazol-4-yl)-amideHCID 1011188710.2%

Reaction Steps

Starting from 4-difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid (0.1 g) and 5-methyl-3-trifluoromethylisoxazol-4-ylamine (78 mg). Purification by column chromatography eluting with 20-30% ethyl acetate in hexane afforded the title compound as a white solid (16 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06403791B1
Source datasetuspto-grants-2002_06
ORD IDord-1a490aa917c44ad684b2696f20f68fe3
Source noteuspto-grants-2002_06