Stereoselective homogeneous catalytic hydrogenation of disubstituted alkynes in aqueous-organic biphasic media

被引：19
|
作者：
Horváth, HH
Joó, F
机构：
[1] Univ Debrecen, Inst Chem Phys, Debrecen, Hungary
[2] Hungarian Acad Sci, Res Grp Homogeneous Catalysis, H-4010 Debrecen, Hungary
来源：
REACTION KINETICS AND CATALYSIS LETTERS | 2005年 / 85卷 / 02期
基金：
匈牙利科学研究基金会;
关键词：
alkynes; aqueous; hydrogenation; ruthenium;
D O I：
10.1007/s11144-005-0281-7
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：
Diphenylacetylene and 1-phenyl-l-propyne were hydrogenated to the corresponding 1,2-disubstituted alkenes in aqueous organic biphasic media using the water-soluble catalyst [(RuCl2(mtppms)(2))(2)] and an excess of the sulfonated phosphine ligand. The stereoselectivity of the reaction strongly depends on the pH of the catalyst-containing aqueous phase and under acidic conditions Z-alkenes can be obtained with a selectivity close to 100%.
引用
收藏
页码：355 / 360
页数：6
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