Provided are improved processes for the preparation of 1-aryl pyrazole compounds of formula (I) and (IB):
which are substituted at the 5-position of the pyrazole ring with a carbon-linked functional group. The process described are efficient and scalable and do not utilize hazardous sulfenyl halide reagents.
提供了改进的制备1-芳基
吡唑化合物的过程,其化合物的分子式为(I)和(IB):在
吡唑环的5位上用碳链功能团进行置换。所描述的过程高效可扩展,不使用危险的
磺酰卤化物试剂。