Studies on mixed chelates. VII. Mixed nickel(II) chelates containing N,N'- or N,N-dialkylethylenediamines and acetylacetone.
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概要
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Twelve mixed nickel(II) chelates with <I>N</I>,<I>N</I>′- or <I>N</I>,<I>N</I>-dimethyl (or diethyl)ethylenediamines and acetylacetonate ion (acac) were prepared, and their properties were compared with those of the similar chelates with <I>N</I>,<I>N</I>,<I>N</I>′,<I>N</I>′-tetramethyl(or tetraethyl)ethylenediamine. With the decrease of the number and bulkiness of the <I>N</I>-alkyl groups in the diamine, the tendency of forming 6-coordinated mixed chelates remarkably increases. The chelates of the type [Ni(diamine) (acac)]X, formed when X is B(Ph)<SUB>4</SUB>, which are essentially similar to the corresponding chelates with <I>N</I>,<I>N</I>,<I>N</I>′,<I>N</I>′-tetraalkylethylenediamines, but more apt to combine with solvent molecules and to go over into 6-coordinated structures than the latter.
- 公益社団法人 日本化学会の論文
著者
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Sone Kozo
Department Of Chemistry Faculty Of Science Josai University
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Fukuda Yutaka
Department Of Chemistry Faculty Of Science Ochanomizu Univeity
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Nguyen Thi
Department of Chemistry, Faculty of Science, Ochanomizu University
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