SYNTHESIS, STRUCTURE AND ANION COORDINATION CHEMISTRY OF A NOVEL MACROCYCLIC COBALTOCENIUM RECEPTOR

被引：25

作者：

BEER, PD ^{[1
]}

DREW, MGB ^{[1
]}

HODACOVA, J ^{[1
]}

STOKES, SE ^{[1
]}

机构：

[1] UNIV READING,DEPT CHEM,READING RG2 6AD,BERKS,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1995年 / 21期

关键词：

D O I：

10.1039/dt9950003447

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new macrocyclic amide-substituted cobaltocenium receptor, 1,1'-[(ethylenedioxy)bis(ethylene-aminocarbonyl)]cobaltocenium hexafluorophosphate 2 has been prepared and its single-crystal X-ray structure determined. Proton NMR anion co-ordination studies revealed that 2 and other new acyclic cobaltocenium derivatives complex chloride and bromide anions with 1:1 stoichiometry. Comparative stability constant evaluations imply that the macrocyclic receptor 2 forms halide complexes of greatest thermodynamic stability, suggestive of a 'macrocyclic anion effect'. Cyclic voltammetric investigations showed the cobaltocenium receptors to electrochemically recognise halide anions.

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页码：3447 / 3453

页数：7

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