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A reinvestigation of asymmetric induction in diels-alder reactions to chiral acrylates.
Authors:Wolfgang Oppolzer  Mark Kurth  Daniel Reichlin  Frank Moffatt
Affiliation:Département de Chimie Organique, Université de Genève, CH-1211 Genève 4 Switzerland.
Abstract:
The chiral induction in the Diels-Alder addition 12, assessed reliably by 19F-NMR-spectroscopy of the endo-esters 4, varied between 47 - 93% in favor of the 2-(R)-adducts 2 depending on the auxiliary chiral group and the Lewis-acid catalyst.
Keywords:
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