Characterization and superoxide dismutase activity of copper(II) complexes of 6A,6X-difunctionalized beta-cyclodextrins

被引：21

作者：

Bonomo, RP ^{[1
]}

Conte, E ^{[1
]}

DeGuidi, G ^{[1
]}

Maccarrone, G ^{[1
]}

Rizzarelli, E ^{[1
]}

Vecchio, G ^{[1
]}

机构：

[1] IST STUDIO SOSTANZE NAT INTERESSE ALIMENTARE & CH, I-95125 CATANIA, ITALY

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1996年 / 23期

关键词：

D O I：

10.1039/dt9960004351

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Thermodynamic and EPR spectroscopic measurements were carried out in aqueous solution on copper(II) complexes of beta-cyclodextrins 6A,6X-difunctionalized (X = B, C or D) with histamine (imidazole-4-ethanamine). The O-2(-) scavenger activity of these systems was determined through both enzymatic and photohaemolysis assays. An attempt was made to correlate the scavenger ability with the geometrical features of the copper(II) complexes. The determination of the stability constants of the copper(II) complexes with 6A,6B-bis[2-(imidazol-4-yl)ethylamino]-6A,6B-dideoxy-beta-cyclodextrin revealed the speciation under the experimental conditions.

引用

页码：4351 / 4355

页数：5

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