α,β-Unsaturated δ-Lactones from Copper-Catalyzed Asymmetric Vinylogous Mukaiyama Reactions of Aldehydes: Scope and Mechanistic Insights
作者:Belén Bazán-Tejeda、Guillaume Bluet、Garance Broustal、Jean-Marc Campagne
DOI:10.1002/chem.200600335
日期:2006.11.6
regio-, diastereo-, and enantiocontrolled access to alpha,beta-unsaturated delta-lactones is described, based on the reaction of a silyl dienolate and an aldehyde in the presence of 10 % of Carreira's catalyst. The scope and limitations of this reaction, as well as mechanistic insights concerning the reactivity of an allyl copper species, are discussed.
基于甲硅烷基二烯酸酯和醛在10%Carreira催化剂存在下的反应,描述了直接的区域,非对映和对映体控制的α,β-不饱和δ-内酯。讨论了该反应的范围和局限性,以及有关烯丙基铜物种反应性的机理见解。