The invention provides a multistep process for preparing 1,2-diamino compounds of formula
wherein R1, R1', R2, R2', R3 and R4 have the meaning given in the specification and pharmaceutically acceptable addition salts thereof, from 1,2-epoxides of formula
wherein R1, R1', R2 and R2' have the meaning given in the specification.
本发明提供了一种制备式 1,2-二
氨基化合物的多步骤工艺
其中 R1、R1'、R2、R2'、R3 和 R4 具有说明书中给出的含义及其药学上可接受的加成盐,由式 1,2-
环氧化物制得
其中 R1、R1'、R2 和 R2'具有说明书中给出的含义。