| 摘要 |
<p>Intermediates represented by the following formula: <CHEM> (wherein R<1> 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(OR<4>)OR<5> 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.</p> |
