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.
本发明提供了一种有利于生产中间体的过程,该中间体可用于生产表现出优异的V
LA-4抑制作用和安全性的化合物。通过以下反应方案,通过转化产生中间体(III)和(XIII)。