This invention provides efficient and scalable enantioselective methods that yield 2-alkyl-2-allylcycloalkyanone compounds with quaternary stereogenic centers. Methods include the method for the preparation of a compound of formula (I):
comprising treating a compound of formula (II) or (III):
with a palladium (II) catalyst under alkylation conditions.
本发明提供了高效且可扩展的对映体选择性方法,可得到具有季立体中心的 2-烷基-2-烯丙基环烷酮化合物。方法包括制备式(I)化合物的方法:
包括处理式(II)或(III)化合物:
在烷基化条件下使用
钯 (II) 催化剂。