5-bromo-3-(2,2-dimethyl-[1,3]dioxan-5-ylamino)-thiophene-2-carboxylic acid methyl ester 、 4-methylcyclohexanecarbonyl chloride 在
吡啶 作用下,
以
甲苯 为溶剂,
反应 40.0h,
生成 5-bromo-3-[(2,2-dimethyl-[1,3]dioxan-5-yl)-(trans-4-methyl-cyclohexanecarbonyl)-amino]-thiophene-2-carboxylic acid methyl ester