Organocatalyst-mediated enantioselective intramolecular Michael addition of aldehydes to vinyl sulfones
作者:Chloée Bournaud、Estelle Marchal、Adrien Quintard、Sarah Sulzer-Mossé、Alexandre Alexakis
DOI:10.1016/j.tetasy.2010.03.043
日期:2010.7
Chiral amines with a hydrogen bond donor promote the intramolecular conjugate addition of aldehydes to vinyl sulfones. Chiral cyclic sulfone-aldehydes are obtained in good yields with an ee of up to 82%. (C) 2010 Elsevier Ltd. All rights reserved.