Asymmetric Synthesis of 4-Amino-4H-Chromenes by Organocatalytic Oxa-Michael/Aza-Baylis–Hillman Tandem Reactions

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Errata

This article is corrected by:

  1. Errata: Corrigendum: Asymmetric Synthesis of 4-Amino-4H-Chromenes by Organocatalytic Oxa-Michael/Aza-Baylis–Hillman Tandem Reactions Volume 17, Issue 44, 12228, Article first published online: 17 October 2011

Abstract

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Quick off the mark! In this work we present the first highly enatioselective oxa-Michael/aza-Baylis–Hillman tandem reaction between 2-alkynals and salicyl N-tosylimine leading to optically active 4-amino-4H-chromenes (see scheme). This reaction takes place in less than 2 h with high yields and excellent enantioselectivities.

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