Chiral S,S-donor ligands in palladium-catalysed allylic alkylation

被引：30
|
作者：
Jansat, S
Gómez, M
Muller, G
Diéguez, M
Aghmiz, A
Claver, C
Masdeu-Bultó, AM
Flores-Santos, L
Martin, E
Maestro, MA
Mahía, J
机构：
[1] Univ Barcelona, Dept Quim Inorgan, E-08028 Barcelona, Spain
[2] Univ Rovira & Virgili, Dept Quim Fis & Inorgan, E-43005 Tarragona, Spain
[3] Univ Nacl Autonoma Mexico, Fac Quim, Dept Quim Inorgan, Mexico City 04510, DF, Mexico
[4] Univ A Coruna, Edificio Anexo, Fac Ciencias, Serv Xerais Apoio Invest, E-15071 La Coruna, Spain
来源：
TETRAHEDRON-ASYMMETRY | 2001年 / 12卷 / 10期
关键词：
D O I：
10.1016/S0957-4166(01)00260-9
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Chiral dithioether ligands have been tested in the model Pd-catalysed allylic alkylation reaction of (+/-)-3-acetoxy-1,3-diphenyl-1-propene with dimethyl malonate. giving high enantioselectivity (up to 81% e.e.) for the first time in this type of system. Pd(Il)-allylic intermediates, [Pd(eta (3)-1,3-Ph-2-C3H3)(dithioether)]PF6 were prepared and characterised both in solution by NMR spectroscopy and solid state. The X-ray structure for [Pd(eta (3)-1,3-Ph-2-C3H3)(L)]PF6 (L=(R,R)-7,8-O-isopropylidene-1,5-dithiacyclononane) was determined. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1469 / 1474
页数：6
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