BIS(μ-CARBOXYLATO)DIENERHODIUM(I) COMPLEXES - SYNTHESIS, CHARACTERIZATION AND CATALYTIC ACTIVITY

被引:6
|
作者
Zednik, Jiri [1 ]
Sedlacek, Jan [1 ]
Svoboda, Jan [1 ]
Vohlidal, Jiri [1 ]
Bondarev, Dmitrij [1 ]
Cisarova, Ivana [2 ]
机构
[1] Charles Univ Prague, Fac Sci, Dept Phys & Macromol Chem, Prague 12840 2, Czech Republic
[2] Charles Univ Prague, Dept Inorgan Chem, Fac Sci, CR-12840 Prague 2, Czech Republic
关键词
Rhodium; Rhodium complexes; Cycloocta-1,5-diene complexes; Norborna-2,5-diene complexes; Bis(mu-carboxylato) complexes; Polymerization; Polyacetylenes; X-ray structure;
D O I
10.1135/cccc20081205
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Dinuclear rhodium(I) eta(2):eta(2)-cycloocta-1,5-diene (series a) and eta(2):eta(2)-norborna-2,5-diene (series b) complexes with mu-RCOO- ligands, where R is linear C21H43 (complexes 1a, 1b), CH2CMe3 (2a, 2b), 1-adamantyl (3a, 3b) and benzyl (4a, 4b), have been prepared and characterized by spectroscopic methods. Structures of complexes 2b, 3a and 4a were determined by X-ray diffraction analysis. Complexes prepared show low to moderate catalytic activity in polymerization of phenylacetylene in THF giving high-cis-transoid polymers, but they show only oligomerization activity in dichloromethane.
引用
收藏
页码:1205 / 1221
页数:17
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