Metal-ligand coordination and antiradical activity of a trichromium(III) complex with the flavonoid naringenin

被引：10

作者：

Alexiou, Anamaria D. P. ^{[1
]}

Decandio, Carla C. ^{[1
]}

Almeida, Sabrina da N. ^{[1
]}

Ferreira, Marcelo J. P. ^{[2
]}

Romoff, Paulete ^{[1
]}

Rocha, Reginaldo C. ^{[3
]}

机构：

[1] Univ Presbiteriana Mackenzie, Escola Engn, Sao Paulo, Brazil

[2] Univ Sao Paulo, Inst Biociencias, Dept Bot, Sao Paulo, Brazil

[3] Los Alamos Natl Lab, Los Alamos, NM USA

来源：

JOURNAL OF COORDINATION CHEMISTRY | 2017年 / 70卷 / 12期

关键词：

Antiradical activity; chromium(III) complexes; flavonoids; metal-oxo cluster; naringenin; CRYSTAL-STRUCTURE; ANTIOXIDANT; CHROMIUM(III); IRON(III); CAPACITY; BINDING; QTAIM; NBO;

D O I：

10.1080/00958972.2017.1328735

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The trinuclear chromium(III) complex [Cr3O(CH3CO2)(6)(L)(H2O)(2)] (where L is the monoanion of the flavonoid naringenin) was synthesized and characterized. Density functional theory (DFT) calculations and quantum theory of atoms in molecules (QTAIM) analysis show that the flavonoid binds to Cr-III as an O,O-bidentate ligand via the 5-hydroxy and 4-oxo groups. Reactions with 2,2-diphenyl-1-picrylhydrazyl (DPPH) indicate that the antiradical activity of this flavonoid-metal complex is enhanced in comparison with uncoordinated naringenin. [GRAPHICS] .

引用

页码：2148 / 2160

页数：13

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