Preparation and reactivities of phenylethynyl[1,1,1-tris(diphenylphosphinomethyl)ethane]copper(I) complex.
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概要
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Phenylethynyl[1,1,1-tris(diphenylphosphinomethyl)ethane]copper(I), [Cu(C≡CPh)(tdpme)]tdpme=1,1,1-tris(diphenylphosphinomethyl)ethane, has been prepared in good yield by a reaction between phenylethynyl-copper(I), [{Cu(C≡CPh)}<I><SUB>n</SUB></I>], and tdpme. From physicochemical and spectroscopic studies the complex is considered to have a monomeric tetrahedral structure. It reacts with <I>p</I>-cresol to give [Cu(O–C<SUB>6</SUB>H<SUB>4</SUB>–CH<SUB>3</SUB>-<I>P</I>)(tdpme)] and also with highly active hydrogen compounds, methyl cyanoacetate and methyl nitroacetate, to give [Cu{CH(CN)CO<SUB>2</SUB>CH<SUB>3</SUB>}(tdpme)] and [Cu{CH(NO<SUB>2</SUB>)CO<SUB>2</SUB>CH<SUB>3</SUB>}(tdpme)], respectively. However, moderately active hydrogen compounds, such as acetonitrile, dimethyl malonate, and nitromethane, do not react with [Cu(C≡CPh)(tdpme)]. The reactivities of the complex with active hydrogen compounds are discussed in correlation with the p<I>K</I><SUB>a</SUB> values of the latter compounds.
- 公益社団法人 日本化学会の論文
著者
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Morita Yasushi
Department Of Chemistry Graduate School Of Science Osaka University
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Fuchita Yoshio
Department Of Chemistry Faculty Of Science Kyushu University Ropponmatsu
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Hiraki Katsuma
Department Of Applied Chemistry Faculty Of Engineering Nagasaki University
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Morita Yasushi
Department of Industrial Chemistry, Faculty of Engineering, Nagasaki University
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