Organocatalytic Enantioselective Functionalization of Cyclic α-Hydroxyamides: Access to Chiral Cyclic Imides and Azapolycyclic Compounds
作者:Xiao-Qian Zhang、Yuan-Ren Ma、Yan-Kai Liu
DOI:10.1021/acs.orglett.3c03182
日期:2023.11.24
convert unfunctionalized cyclic α-hydroxyamides into chiral cyclic α-hydroxyamides by reacting with vinyl sulfones, which could be used as versatile azacyclic synthons in the following sequences: (1) as the precursors of cyclic N-acyliminium ions to prepare natural productlike chiral azapolycyclic compounds under acidic conditions and (2) to construct chiral cyclicimides bearing unilateral substituents