METAL-COMPLEXES OF PEPTIDES .5. COBALT(III) COMPLEXES WITH N-BETA-ALANYL-(S)-ASPARTATE

被引：2

作者：

AMA, T

MAKI, R

KAWAGUCHI, H

YASUI, T

机构：

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1991年 / 64卷 / 02期

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D O I：

10.1246/bcsj.64.459

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Three cobalt(III) complexes containing N-beta-alanyl-(S)-aspartic acid (H3L), [Co(L)(en)] (en: ethylenediamine), [Co(L)(dien)] (dien: diethylenetriamine), and [Co(HL)(dien)]+, were newly prepared and characterized on the basis of their C-13 NMR, UV-visible absorption, and circular dichroism spectra. The dipeptide L functions as a quadridentate ligand in [Co(L)(en)] and as terdentate ligands in [Co(L)(dien)] and [Co(HL)-(dien)]+. The structures of these complexes are discussed in connection with those of [Co((S)-asp) (dien)]+ (H2)(S)-asp: (S)-aspartic acid) and [Co(edma)(dien)]2+ (Hedma: ethylenediamine-N-acetic acid).

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页码：459 / 463

页数：5

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