申请人:——
公开号:US20020013464A1
公开(公告)日:2002-01-31
There is provided a process for the production a compound of general formula I:
1
wherein A, R
1
, R
2
, R
3
and R
4
have meanings given in the description, which process comprises the reaction of a compound of formula II,
2
wherein R
x
is a group substitutable by an aminopyrazole, with a compound of general formula III
3
提供了一种生产一种通式I的化合物的方法:其中A,R1,R2,R3和R4具有描述中给定的含义,该方法包括将通式II的化合物进行反应,其中Rx是可由氨基吡唑取代的基团,与通式III的化合物进行反应。