CONTROL OF THE REDOX ACTIVITY OF ANTHRAQUINONE THROUGH AN APPENDED NICKEL(II)-CYCLAM SIDE-CHAIN - A 2-SITE 3-ELECTRON REDOX SYSTEM

被引：4

作者：

DESANTIS, G ^{[1
]}

FABBRIZZI, L ^{[1
]}

MANGANO, C ^{[1
]}

POGGI, A ^{[1
]}

SEGHI, B ^{[1
]}

机构：

[1] UNIV PAVIA,DIPARTMENTO CHIM GEN,VIA TARAMELLI 12,I-27100 PAVIA,ITALY

来源：

INORGANICA CHIMICA ACTA | 1990年 / 177卷 / 01期

关键词：

D O I：

10.1016/S0020-1693(00)91908-X

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The conjugate system 1 has been prepared through reaction of 2-chloromethylanthraquinone with a five-fold excess of cyclam in chloroform at room temperature. Reaction of 1 with NiX2.6H2O (X = Cl, ClO4) gave the corresponding Ni(1)X2 complexes, in which the metal centre has been incorporated by the tetraaza-macrocyclic subunit. The redox behaviour of the nickel(II) complexes has been investigated in a CH2Cl2 solution of 0.1 M Bu4NX, by voltammetric techniques. Two-phase reduction of the quinone subunit of the Ni(1)X2 complex in CH2Cl2 by aqueous Cr(II) takes place at a rate much higher than that observed for the simple anthraquinone molecule, but the reduced conjugate system partitions between CH2Cl2 and water.

引用

页码：47 / 49

页数：3

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