The present invention provides methods of preparing Praziquantel, in particular (R)-Praziquantel and analogues thereof in a stereoselective manner. One method involves asymmetric hydrogenation of the following intermediate compound
and subsequent cyclization.
本发明提供了以立体选择性方式制备
吡喹酮,特别是(R)-
吡喹酮及其类似物的方法。其中一种方法涉及以下中间体化合物的不对称氢化反应
然后进行环化。