Asymmetric hydroformylation of vinyl arenes catalyzed by furanoside diphosphinites-Rh(I) complexes

被引：11
|
作者：
Guimet, E
Parada, J
Diéguez, M
Ruiz, A
Claver, C
机构：
[1] Univ Rovira & Virgili, Dept Quim Fis & Inorgan, Tarragona 43005, Spain
[2] Univ Chile, Fac Ciencias Quim & Farmaceut, Dept Quim Inorgan & Analit, Santiago, Chile
来源：
APPLIED CATALYSIS A-GENERAL | 2005年 / 282卷 / 1-2期
关键词：
furanoside ligands; diphosphinite ligands; asymmetric hydroformylation;
D O I：
10.1016/j.apcata.2004.12.013
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Diphosphinite ligands 2 and 3, easily prepared from inexpensive D(+)-xylose in few steps, were tested in the Rh-catalyzed asymmetric hydroformylation of several vinyl arenes. High regio-selectivities in branched aldehyde (up to 99%) and moderate enantio-selectivity (up to 63%) were found (20-40 degrees C, 30-60 bar of syn gas). For the first time, the structure in solution of the species formed under hydroformylation conditions with diphosphinite ligands was determined. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：215 / 220
页数：6
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