Cation and anion recognition characteristics of open-chain polyamines containing ethylenic and propylenic chains

被引：34

作者：

Aguilar, J

Díaz, P

Escartí, F

García-España, E

Gil, L

Soriano, C

Verdejo, B

机构：

[1] Univ Valencia, Dept Quim Inorgan, Valencia 46100, Spain

[2] Univ Valencia, Fac Farm, Dept Quim Organ, Valencia 46100, Spain

来源：

INORGANICA CHIMICA ACTA | 2002年 / 339卷

关键词：

polyamines; acid-base behaviour; metal complexes; nucleotides; mixed complexes;

D O I：

10.1016/S0020-1693(02)00947-7

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The interaction of the polyamines 4,7,10,13-tetraazahexadecane-1,16-diamine (L1) and 4,7, 10-triazatridecane- 1,13-diamine (L2) with H(+), Cu(2+), Zn(2+), Co(2+) and the nucleotides ATP, ADP and AMP has been followed by NMR and potentiometric studies performed at 298.1 K in 0.15 mol dm(-3) NaClO(4). The influence of the different sequences of hydrocarbon chains and chelate rings present in the ligands on the values of the protonation constants, the stability of the metal ion complexes as well as in the coordination to nucleotides is analysed. The formation of mixed complexes has been investigated for the system Cu(2+)-L1-AMP. (C) 2002 Elsevier Science B.V. All rights reserved.

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页码：307 / 316

页数：10

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