The Reaction of Bis (2-pyridinecarbonitrile) copper(II) Chloride with Methanol and Various Amines

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概要

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• On treatment of bis(2-pyridinecarbonitrile)copper(II) chloride with various amines in methanol, the alkoxylation of the nitrile group in the complex took place; in some cases, the alkoxylation and the ligand substitution of the complex occurred at the same time. The reaction products were classified into three types depending on the amines used; two of the types consisted of new complexes. The complexes of CuCl<SUB>2</SUB>(MeOpy)(Amine) (MeOpy: <I>O</I>-methylpyridine-2-carboximidate), were obtained on the addition of ammonia, methylamine, dimethylamine, ethylamine, benzylamine, or piperidine to a methanol solution of bis(2-pyridinecarbonitrile)copper(II) chloride. On the other hand, the addition of trimethylamine, diethylamine, or triethylamine afforded the complex of CuCl<SUB>2</SUB>(MeOpy)<SUB>2</SUB>. These types of complexes were not obtained by the use of aniline or pyridine; but the previously known complex, CuCl<SUB>2</SUB>(MeOpy), was obatined in this case. It has been assumed that the formation of the three types of complexes is essentially the result of both the basicities and the steric factors of the amines.

• 公益社団法人 日本化学会の論文

著者

• Suzuki Shinnichiro

  Department Of Chemistry Graduate School Of Science Osaka University

• Watanabe Ken-ichi

  Department Of Biology And Geosciences Faculty Of Science Shizuoka University

• Nakahara Masayoshi

  Department of Chemistry, College of Science, Rikkyo (St. Paul's) University

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