Regulating Noncovalent Interactions in Amino-Amide-Copper Complexes

被引：5

作者：

Lechuga-Islas, Victor ^{[1
]}

Tlahuext, Hugo ^{[2
]}

Falcon-Leon, Martha P. ^{[1
]}

Sanchez-De Jesus, Felix ^{[3
]}

Moo-Puc, Rosa E. ^{[4
]}

Chale-Dzul, Juan B. ^{[5
]}

Tapia-Benavides, Antonio R. ^{[1
]}

Tlahuextl, Margarita ^{[1
]}

机构：

[1] Univ Autonoma Estado Hidalgo, Dept Chem, Pachuca Tulacingo 4-5, M De La Reforma 42184, Hgo, Mexico

[2] Univ Autonoma Estado Morelos, Ctr Invest Quim, Ave Univ 1001, Cuernavaca 62100, Morelos, Mexico

[3] Univ Autonoma Estado Hidalgo, Area Acad Ciencias Tierra & Mat, Pachuca Tulancingo 4-5, M De La Reforma 42184, Hgo, Mexico

[4] Inst Mexicano Seguro Social, Unidad Invest Med Yucatan, Calle 41439, Merida 97150, Yuc, Mexico

[5] Inst Mexicano Seguro Social, Lab Vigilancia & Invest Epidemiol, Calle 41439, Merida 97150, Yuc, Mexico

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2018年 / 12期

关键词：

Copper; Noncovalent interactions; Crystal engineering; Magnetic properties; Cytotoxicity; JAHN-TELLER INTERACTIONS; CRYSTAL-STRUCTURES; COORDINATION POLYMERS; MAGNETIC-PROPERTIES; HALIDE; DNA; BEHAVIOR; DENSITY; EPR; PI;

D O I：

10.1002/ejic.201701332

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The relevance of intermolecular noncovalent ClCu interactions in the magnetic and biological behavior of copper complexes derived from amino amides is studied. Crystallography studies show that these complexes tend to stack, favoring noncovalent interactions (hydrogen bonding and CuCl). However, the presence of substituents at the C10 and C13 positions regulates the supramolecular structures in 2. Thus, magnetic studies at 93, 293, and 353 K demonstrate that magnetic exchange is favored only by Cu-ClCu interactions. Moreover, biological studies show that only those copper complexes with ferromagnetic behavior present cytotoxic activity. Natural bond orbital (NBO) and quantum theory of atoms in molecules (QTAIM) computations are used to corroborate the presence of the noncovalent interactions.

引用

页码：1419 / 1426

页数：8

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