This invention provides enantioenriched N,O-heterocyclic compounds 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.
这项发明提供了含有季碳立体中心的手性富集的N,O-
杂环化合物以及制备这些化合物的新方法。方法包括制备式(I)化合物的方法:将式(II)化合物在烷基化条件下与过渡
金属催化剂处理。