A mixed-ligand coordination polymer from the in situ, Cu(I)-mediated isomerization of bis(4-pyridyl)ethylene

被引：41

作者：

Knaust, JM ^{[1
]}

Keller, SW ^{[1
]}

机构：

[1] Univ Missouri, Dept Chem, Columbia, MO 65203 USA

来源：

INORGANIC CHEMISTRY | 2002年 / 41卷 / 22期

关键词：

D O I：

10.1021/ic025836c

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of [Cu(PPh3)(2)(MeCN)(2)]PF6 and trans-1,2-bis(4-pyridyl)-ethylene (bpe) results in the trans-cis isomerization of the bpe and subsequent formation of a mixed-isomer linear coordination polymer over the course of several days or weeks depending on solvent. The one unique copper atom in the structure is coordinated to two bridging cis-bpe ligands, one bridging trans-bpe ligand, and one terminal triphenylphoshine ligand to create [Cu(trans-bpe)(0.5)-(cis-bpe)(PPh3)](+)(infinity) zigzag chains. The reaction requires both visible light and Cu(I), and the crystallization of this particular coordination polymer is insensitive to the ratio of trans:cis isomers in solution, occurring both from trans-rich and cis-rich solutions.

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页码：5650 / 5652

页数：3

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