There is provided a process for the production a compound of general formula I:
wherein A, R1, R2, R3 and R4 have meanings given in the description, which process comprises the reaction of a compound of formula II,
wherein Rx is a group substitutable by an aminopyrazole, with a compound of general formula III
提供一种生产一般式I化合物的方法:其中A、R1、R2、R3和R4的含义在说明中给出,该方法包括将一种式II化合物与一种一般式III化合物反应,其中Rx是可被
氨基
吡唑取代的基团。