Stereoselective γ-Olefination of Substituted Cyclobutenediones by Organocatalysis
作者:Mariappan Periasamy、Mallesh Beesu
DOI:10.1055/s-0031-1289879
日期:2011.12
Methods are described for the stereoselective synthesis of alkenyl-substituted cyclobutenediones from alkyl-substituted cyclobutenediones and aldehydes in 70-91% yields using pyrrolidine as catalyst under mild reaction conditions. cyclobutenediones - γ-olefination - organocatalysis