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분광학적 방법에 의한 이소니트로소벤조일아세톤의 코발트(Ⅲ) 및 팔라듐(Ⅱ) 착물의 구조
吳岱燮,李萬浩,金修漢 慶北大學校 1979 論文集 Vol.27 No.-
Isonitrosobenzoylacetone is particularly interesting, as the isonitroso group has two potentially coordinating sites which can compete with the carbonyl groups in forming bonds with the metal ions. In this paper tris(isonitrosobenzoylacetonato)cobalt(III) and bis(isonitrosobenzoylacetonato) palladium(II) have been prepared, and their structures have been investigated. Spectroscopic studies lead to the conclusion that the both complexes do not contain an OH group in the chelated five-membered ring structure in which the ligand coordinates to metal through oxygen of the acetyl group and nitrogen of the isonitroso group. The coordination manner of this ligand is similar to that of isonitrosoacetylacetone obtained by Haldar et al.^(3)(4) Very weak intramolecular hydrogen bonding of the free ligand is indicated by nmr and ir spectra.