Cyclopenta[b]thiophene-alkyloxazolines:: new nitrogen-sulfur hybrid ligands and their use in asymmetric palladium-catalyzed allylic alkylation

被引:10
作者
Bonini, BF
Giordano, L
Fochi, M
Comes-Franchini, M
Bernardi, L
Capitò, E
Ricci, A
机构
[1] Univ Bologna, Dipartimento Chim Organ A Mangini, I-40136 Bologna, Italy
[2] Fac Sci & Tech St Jerome, CNRS, Lab Synthese Asymetr, UMR 6516, F-13397 Marseille, France
关键词
D O I
10.1016/j.tetasy.2004.01.036
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
New chiral nitrogen and sulfur containing hybrid ligands have been prepared and fully characterized. Their structure includes cyclopenta[b]tiophene and oxazoline moieties as sources of chirality. Their catalytic activity has been tested successfully in the Pd-allylic alkylation leading to enantioselectivities of up to 74% ee. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1043 / 1051
页数:9
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