PMR SPECTRAL STUDIES OF MIXED-LIGAND AMINO-ACID CHELATES OF COBALT(II), NICKEL(II), COPPER(II), AND ZINC(II) WITH NITRILOTRIACETIC ACID AND GLYCINE, ALPHA-ALANINE, VALINE, OR LEUCINE

被引：8

作者：

SAXENA, VK ^{[1
]}

SRIVASTAVA, MN ^{[1
]}

机构：

[1] UNIV ALLAHABAD,DEPT CHEM,ALLAHABAD 211002,UTTAR PRADESH,INDIA

来源：

JOURNAL OF INORGANIC BIOCHEMISTRY | 1990年 / 38卷 / 01期

关键词：

D O I：

10.1016/0162-0134(90)85005-H

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Mixed ligand chelates of Co(II), Ni(II), Cu(II), and Zn(II) formed with nitrilotriacetic acid (NTA) and glycine, alanine, valine, or leucine have been synthesized and characterized by elemental analysis, spectral (proton magnetic resonance, infrared, and electronic spectra) and magnetochemical measurements. The results show that NTA is tetradentate, coordination occurring through nitrogen and the three COO- groups. The amino acids also coordinate through their α-amino N and the carboxylate group. The complexes thus have octahedral geometry, as evidenced by their magnetic moments and electronic spectra. © 1990.

引用

页码：37 / 46

页数：10

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