申请人:DAIICHI PHARMACEUTICAL CO., LTD.
公开号:EP1698611A1
公开(公告)日:2006-09-06
The present invention provides an advantageous process for producing an intermediate which is useful for producing a compound which exhibits excellent VLA-4 inhibitory effect and safety.
Intermediates (III) and (XIII) are produced through conversion through the following reaction schemes.
本发明提供了一种生产中间体的有利工艺,这种中间体可用于生产具有出色的 VLA-4 抑制作用和安全性的化合物。
中间体(III)和(XIII)通过以下反应方案转化制得。