This invention provides enantioenriched Mannich adducts with quaternary stereogenic centers and novel methods of preparing the compounds. Methods include the method for the preparation of a compound of formula (I):
comprising treating a compound of formula (II):
with a transition metal catalyst under alkylation conditions.
这项发明提供了具有四元立体异构中心的对映富集曼尼希加合物以及制备这些化合物的新方法。该方法包括使用过渡
金属催化剂在烷基化条件下处理式(II)化合物的方法,以制备式(I)化合物。