A mononuclear Mn2+ complex based on a novel tris-(ethyl acetate) pendant-armed tetraazamacrocycle: Effect of pyridine on self-assembly and weak interactions

被引：18
作者：
Wen, Jinghan [1 ]
Geng, Zhirong [1 ]
Yin, Yuxin [1 ]
Wang, Zhilin [1 ]
机构：
[1] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Coordinat Chem Inst, Nanjing 210093, Jiangsu, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2012年 / 21卷
基金：
中国国家自然科学基金;
关键词：
Macrocyclic ligand; Metal complex; Pyridine; Magnetism; DNA binding; PI-PI STACKING; METAL-COMPLEXES; DNA-BINDING; POLYAZA MACROCYCLES; MAGNETIC-PROPERTIES; STRUCTURAL ASPECTS; LIGAND; CHEMISTRY; INTERCALATION; ASSOCIATION;
D O I：
10.1016/j.inoche.2012.03.042
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A novel pyridine containing tetraazamacrocycle 3,6,9,15-tetraazabicyclo[9.3.1]pentadeca-1(15),11,13-triene-3.6,9-triacetic acid ethyl ester (1) and its mononuclear Mn2+ complex (2) have been prepared. Pyridine induced the pi-pi stacking of [Mn1](2+) and provided donors for nonclassical C-H center dot center dot center dot O hydrogen bonding as well. In the solid state of 2. the combination of pi-pi interactions and hydrogen bonding constructed a 3D crystal structure and thus formed pairs of interacting mononuclear complexes that mediated weak magnetic exchanges between the Mn2+ ions. Meanwhile, self-assembly of 2 dissociated in the aqueous solution. and the effect of pyridine on the nature of DNA binding with 2 have also been investigated. (C) 2012 Elsevier B.V. All rights reserved.
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页码：16 / 20
页数：5
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