CONSTRUCTION OF A NEW VERSATILE HYDRAZONIC LIGAND AND ITS CHEMICAL AND STRUCTURAL BEHAVIOR TOWARDS METAL-IONS

被引：57

作者：

IANELLI, S ^{[1
]}

MINARDI, G ^{[1
]}

PELIZZI, C ^{[1
]}

PELIZZI, G ^{[1
]}

REVERBERI, L ^{[1
]}

SOLINAS, C ^{[1
]}

TARASCONI, P ^{[1
]}

机构：

[1] IST CHIM BIOL,I-07100 SASSARI,ITALY

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1991年 / 08期

关键词：

D O I：

10.1039/dt9910002113

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis of a new hydrazonic ligand, 2,6-diacetylpyridine bis[2-(semicarbazono)propionyl-hydrazone] (H4L), is reported together with the synthesis, X-ray structure analysis and the IR spectroscopic characterisation of the complexes [{Ni2(H2L)(OH2)Cl}2Cl2].2dmf.5H2O 1 (dmf = dimethyl-formamide), [Co(H4L)(OH2)2][NO3]2.2H2O 2 and [Zn(H3L')(OH2)2][ClO4]2.1.5H2O 3 [H3L' = 2,6-diacetylpyridine semicarbazone 2-(semicarbazono)propionylhydrazone]. The interest of these structures pertains mainly to the cations. In 1 a tetranuclear complex is present with two non-equivalent nickel atoms, both of which exhibit distorted-octahedral co-ordination, and with the hydrazone acting as enneadentate donor. The structures of 2 and 3 consist of monomeric units in which the metal atom has a pentagonal-bipyramidal environment with two axial H2O molecules and the hydrazone ligand forming the basal plane.

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页码：2113 / 2120

页数：8

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