5-(2,4-difluorophenyl)-2-(tetrahydro-2H-pyran-4-ylamino)thiophen-3-carboxylic acid methyl ester 、 4-methylcyclohexanecarbonyl chloride 在
N,N-二异丙基乙胺 作用下,
生成 Methyl 5-(2,4-difluorophenyl)-2-[[(trans-4-methylcyclohexyl)-carbonyl](tetrahydro-2H-pyran-4-yl)amino]thiophene-3-carboxylate