Sequential Organocatalytic Stetter and Michael-Aldol Condensation Reaction: Asymmetric Synthesis of Fully Substituted Cyclopentenes via a [1 + 2 + 2] Annulation Strategy
摘要:
A stereoselective synthesis of fully substituted cyclopentenes has been achieved by a sequential organocatalyzed Stetter and Michael-aldol condensation of aromatic aldehydes, nitroalkenes, and alpha,beta-unsaturated aldehydes via the [1 + 2 + 2] annulation strategy with excellent diastereoselectivities and enantioselectivities (up to >99% ee).
[EN] CATALYTIC DISPROPORTIONATION AND CATALYTIC REDUCTION OF CARBON-CARBON AND CARBON-OXYGEN BONDS OF LIGNIN AND OTHER ORGANIC SUBSTRATES [FR] DISMUTATION CATALYTIQUE ET RÉDUCTION CATALYTIQUE DES LIAISONS CARBONE-CARBONE ET CARBONE-OXYGÈNE DE LA LIGNINE ET AUTRES SUBSTRATS ORGANIQUES
[EN] CATALYTIC DISPROPORTIONATION AND CATALYTIC REDUCTION OF CARBON-CARBON AND CARBON-OXYGEN BONDS OF LIGNIN AND OTHER ORGANIC SUBSTRATES<br/>[FR] DISMUTATION CATALYTIQUE ET RÉDUCTION CATALYTIQUE DES LIAISONS CARBONE-CARBONE ET CARBONE-OXYGÈNE DE LA LIGNINE ET AUTRES SUBSTRATS ORGANIQUES
申请人:UNIV CALIFORNIA
公开号:WO2011003029A3
公开(公告)日:2011-04-21
Sequential Organocatalytic Stetter and Michael-Aldol Condensation Reaction: Asymmetric Synthesis of Fully Substituted Cyclopentenes via a [1 + 2 + 2] Annulation Strategy
作者:Bor-Cherng Hong、Nitin S. Dange、Che-Sheng Hsu、Ju-Hsiou Liao
DOI:10.1021/ol101969t
日期:2010.11.5
A stereoselective synthesis of fully substituted cyclopentenes has been achieved by a sequential organocatalyzed Stetter and Michael-aldol condensation of aromatic aldehydes, nitroalkenes, and alpha,beta-unsaturated aldehydes via the [1 + 2 + 2] annulation strategy with excellent diastereoselectivities and enantioselectivities (up to >99% ee).