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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 35, Number 6
JKCSEZ 35(6)
December 20, 1991

Title	Metal Complexes of Ambidentate Ligand (Ⅶ). Palladium (Ⅱ) Complexes of Isonitrosobenzoylacetone Diimine Derivatives Ambidentate 리간드의 금속착물 (제 7 보). Isonitrosobenzoylacetone 디이민유도체를 리간드로 하는 팔라듐 (Ⅱ) 착물
Author	Gang-Yeol Choi, Young-Sook Jun, Jae-Bum Baek, Man-Ho Lee 최강렬, 전영숙, 백재범, 이만호
Keywords
Abstract	팔라듐(Ⅱ) 이온의 존재하에서 isonitrosobenzoylacetone(IBA)과 diamine (ethylenediamine(en) 또는 trimethylenediamine(tn))으로부터 새로운 착물들인 N-(2-aminoethylisonitrosobenzoylacetone imino) chloropalladium(Ⅱ), PdCl(IBA)-en, and N-(3-aminopropylisonitrosobenzoylacetone imino) chloropalladium(Ⅱ), PdCl (IBA)-tn을 합성하고 이들 착물의 구조를 조사하였다. 그 결과 이들 착물은 모두 사각평면구조를 가지며 하나의 디이민리간드와 염소이온이 금속에 배위되어 있음을 알 수 있었다. 여기서 디이민리간드는 isonitrosobenzoylacetone과 diamine이 1:1로 반응하여 생성되었으며, isonitroso (=N-O), C=N 및 NH2기의 세개의 질소원자들을 통하여 금속에 결합하고 있는 세자리 리간드임을 알 수 있었다. Two palladium(Ⅱ) complexes, N-(2-aminoethylisonitrosobenzoylacetone imino) chloropalladium(Ⅱ), PdCl(IBA)-en, and N-(3-aminopropylisonitrosobenzoylacetone imino) chloropalladium(Ⅱ), PdCl (IBA)-tn, have been prepared from the condensation of isonitrosobenzoylacetone (IBA) and diamine (ethylenediamine(en) or trimethylenediamine(tn)) in the presence of palladium(Ⅱ) ion. It is suggested that the Schiff base formed by condensation of an isonitrosobenzoylacetone and a diamine coordinates to the metal through three nitrogens of isonitroso (=N-O), C=N, and NH2 groups as a tridentate ligand. And also a chloride ion coordinates to the metal in addition to the Schiff base ligand to form a square-planar geometry.
Page	667 - 672
Full Text	PDF

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