[EN] A PROCESS FOR PREPARING A PHENYLALANINE DERIVATIVE AND INTERMEDIATES THEREOF<br/>[FR] PROCEDE DE PREPARATION D'UN DERIVE DE LA PHENYLALANINE, ET D'UN INTERMEDIAIRE
申请人:TANABE SEIYAKU CO
公开号:WO2003072536A1
公开(公告)日:2003-09-04
The present invention provides a process for preparing a novel phenylalanine derivative of the formula (I): wherein X1 is a halogen atom, X2 is a halogen atom, Q is a group of the formula -CH2- or -(CH2)2- and Y is a lower alkyl group, or a pharmaceutically acceptable salt thereof, which has excellent inhibitory effects on α4 integrin-mediated cell adhesion, and an intermediate useful in the process.
本发明提供了一种制备新型苯丙氨酸衍生物的方法,其化学式为(I):其中X1是卤素原子,X2是卤素原子,Q是化学式为-CH2-或-(CH2)2-的基团,Y是较低的烷基基团,或其药学上可接受的盐,该衍生物对α4整合素介导的细胞粘附具有出色的抑制作用,并提供了该方法中有用的中间体。