反应详情

Starting from 4-difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid 4-nitro-phenyl ester (100 mg) and 4-ethyl-2-methyl-2H-pyrazol-3-ylamine (64 mg). Purification by column chromatography on silica eluting with 5% methanol in dichloromethane afforded the title compound as an off white solid (55 mg).

1. customPurification by column chromatography on silica eluting with 5% methanol in dichloromethane