申请人:——
公开号:US20020128452A1
公开(公告)日:2002-09-12
There is provided a process for the production of a compound of formula I,
1
which process comprises reaction of a compound of formula II,
2
with a compound of formula III,
3
wherein R
1
, R
2
, n and R
3
have meanings given in the description.
提供了一种生产公式I的化合物的方法,该方法包括将公式II的化合物与公式III的化合物反应,其中R1、R2、n和R3的含义在说明中给出。