There is provided a process for preparing an acylamino compound of the general formula[I]:
wherein Ar is aryl or a heterocyclic group, R is an alkyl group having at least one fluoro-substituent on the carbon atom adjacent to the carbonyl carbon, and R' is hydrogen, alkyl, aryl or a heterocyclic group, which comprises reacting a compound of the general formula[II]:
wherein Ar and R' are as defined above, with a compound of the general formula[III]:
wherein R is as defined above, in the presence of a base and thionyl chloride.
提供了一种制备通式[I]的酰氨基化合物的工艺:
其中Ar是芳基或杂环基,R是烷基,在与羰基碳相邻的碳原子上至少有一个氟取代基,R'是氢、烷基、芳基或杂环基,该工艺包括使通式[II]的化合物反应:
其中 Ar 和 R' 如上定义,与通式[III]化合物反应:
其中 R 如上定义,与通式[III]化合物在碱和亚硫酰氯存在下反应。