Intermediates represented by the following formula:
(wherein R1 is a hydrogen atom, an alkyl group, an aryl group, an aralkyl group or the like; X is a carboxyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an aralkoxycarbonyl group, a formyl group, -CH2-Y, -CHZ1Z2, -CH(OR4)OR5 or the like), in the synthesis of biphenylamidine derivatives to be used as inhibitors for an activated blood coagulation factor X, and a process for preparing the same.
下式所代表的中间体:
(其中 R1 是氢原子、烷基、芳基、芳烷基或类似基团;X 是羧基、烷氧羰基、芳氧羰基、芳烷氧羰基、甲酰基、-
CH2-Y、-CHZ1Z2、-CH(OR4)OR5 或类似基团),用于合成用作活化血液凝固因子 X
抑制剂的
联苯胺衍
生物,以及制备该衍
生物的工艺。