Diastereoselective Cobalt-Catalyzed Alkylative Aldol Cyclizations Using Trialkylaluminum Reagents
作者:Mairi E. Rudkin、Pekka M. Joensuu、William S. MacLachlan、Hon Wai Lam
DOI:10.1021/ol800883b
日期:2008.7.17
Co(acac)2.2H2O serves as an effective precatalyst for alkylative aldol cyclizations of alpha,beta-unsaturated amides with ketones using trialkylaluminum reagents. These reactions provide beta-hydroxylactams containing three contiguous stereocenters with high levels of diastereoselection.