Asymmetric Allylic Alkylation of Ketone Enolates: An Asymmetric Claisen Surrogate
摘要:
The combination of catalytic palladium(0) and Trost ligand provides an effective catalyst for the rearrangement of allyl beta-ketoesters. The mechanism of the transformation involves formation of pi-allyl palladium intermediates which undergo enantioselective attack by ketone enolates. Decarboxylation of beta-ketocarboxylates allows regiospecific generation of enolates under extremely mild conditions.
Asymmetric Allylic Alkylation of Ketone Enolates: An Asymmetric Claisen Surrogate
作者:Erin C. Burger、Jon A. Tunge
DOI:10.1021/ol048149t
日期:2004.10.1
The combination of catalytic palladium(0) and Trost ligand provides an effective catalyst for the rearrangement of allyl beta-ketoesters. The mechanism of the transformation involves formation of pi-allyl palladium intermediates which undergo enantioselective attack by ketone enolates. Decarboxylation of beta-ketocarboxylates allows regiospecific generation of enolates under extremely mild conditions.