Asymmetric hydrogenation reactions with Rh and Ru complexes bearing phosphine-phosphites with an oxymethylene backbone

被引：7
|
作者：
Kleman, Patryk
Vaquero, Monica
Arribas, Inmaculada
Suarez, Andres
Alvarez, Eleuterio
Pizzano, Antonio [1 ]
机构：
[1] CSIC, Inst Invest Quim, Seville 41092, Spain
来源：
TETRAHEDRON-ASYMMETRY | 2014年 / 25卷 / 09期
关键词：
HIGHLY ENANTIOSELECTIVE HYDROFORMYLATION; P-OP LIGANDS; CU-CATALYZED 1,4-ADDITION; ALTERNATING COPOLYMERIZATION; IRIDIUM COMPLEXES; GRIGNARD-REAGENTS; OLEFINS; LIBRARY; HYDROCYANATION; PHOSPHONATES;
D O I：
10.1016/j.tetasy.2014.04.001
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Phosphine-phosphites 3a and 3b, derived from diphenylhydroxymethyl phosphine have been prepared. From these ligands [Rh(COD)(3a)]BF4 5a and RuCl2(3b)[(S,S)-DPEN] 6b (DPEN = 1,2-diphenylethylenediamine) were synthesized and their structure determined by X-ray diffraction. Ligands 3 are characterized by a small bite angle of 83 degrees. In addition, 5a led to an active catalyst for the hydrogenation of olefins, giving enantioselectivities of up to 96% ee. Likewise, compound 6b showed good activity and enantioselectivity in the hydrogenation of N-1-phenyl ethylidene aniline and a completed reaction at S/C = 500 in 24 h with 83% ee. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：744 / 749
页数：6
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