The present invention provides an advantageous method for producing an intermediate which is useful for production of a compound which exhibits excellent VLA-4 inhibitory effect and safety.
An intermediate (14) is produced through the following reaction scheme.
本发明提供了一种有利的方法,用于生产一种中间体,该中间体可用于生产一种化合物,该化合物表现出优异的V
LA-4抑制作用和安全性。通过以下反应方案产生一个中间体(14)。