Using ligand exchange reactions to control the coordination environment of Pt(II) acetylide complexes: applications to conjugated metallacyclynes

被引:51
作者
Campbell, K [1 ]
McDonald, R [1 ]
Ferguson, MJ [1 ]
Tykwinski, RR [1 ]
机构
[1] Univ Alberta, Dept Chem, Xray Crystallog Lab, Edmonton, AB T6G 2G2, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
alkynyl complexes; metallacycles; platinum acetylide; platinacycles;
D O I
10.1016/S0022-328X(03)00792-7
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Ligand exchange of cis-bis(diphenylphosphino)ethylene (dppee) with trans-(Ph3P)(2)Pt(Cequivalent toCR)(2) easily generates the cis-complexes (dppee)Pt(Cequivalent toCR)(2) in 64-95% yield. This transformation is used to convert pyridine-containing macrocycle 7 to its cis-analogue 8 and the macrocyclic bipyridine analogue 10 to the unique macrocyclic ligand 11. X-ray structural characterization of trans-complexes 5a and 5b and cis-complexes 6a and 6b are reported, as is the structure of the strained macrocycle 8. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:379 / 387
页数:9
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