Phosphazene Base-Catalyzed Double Michael Addition: Stereoselective Synthesis of Cyclohexanones
作者:Yang-Guo Li、Yang Zhang、Guang-Fen Du、Cheng-Zhi Gu、Lin He
DOI:10.2174/1570178615666180912115748
日期:2018.12.4
Phosphazene bases have been utilized as efficient organocatalysts to catalyze the double Michael additions of divinyl ketones with active methylenes to afford functionalized cyclohexanones in 36-91% yields with >25:1 diastereoselectivity.