反应详情

Starting from 4-difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid (0.20 g) and 3-ethyl-5-methylisoxazol-4-ylamine (0.20 g). Purification by column chromatography on silica eluting 20-50% ethyl acetate in heptane afforded, after trituration with diethyl ether-hexane, the title compound as a white solid (0.155 g).

1. customPurification by column chromatography on silica eluting 20-50% ethyl acetate in heptane
2. customafforded