Chiral tetrathiafulvalene based phosphine- and thiomethyl-oxazoline ligands. Evaluation in palladium catalysed asymmetric allylic alkylation

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• 作者：Cé ; line Ré ; thoré ; Isabelle Suisse ; Francine Agbossou-Niedercorn ; Eva Guillamó ; n ; Rosa Llusar ; Marc Fourmigué ; ; Narcis Avarvari
• 刊名：Tetrahedron
• 出版年：2006
• 期刊代码：107_00404020
• 类别：ch
• 出版时间：18 December 2006
• 卷：62
• 期：51
• 页码：11942-11947
• 文件大小：296 K

摘要

New chiral redox active ligands based on ethylenedithio-tetrathiafulvalene (EDT-TTF) bearing racemic or optically pure oxazolines have been synthesised. These auxiliaries possess an additional functionality on the TTF unit, namely a thiomethyl residue or a diphenylphosphino moiety. All ligands have been tested in asymmetric allylic substitutions. The enantioselectivity reached is 85%ee.