The oxidation products of tetracyanoferrate(II) chelates with optically active 1,2-diamines: Tetracyano(1,2-diamine)ferrate(III)s and tetracyano(1,2-diimine)ferrate(II)s.
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概要
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Optically active diamagnetic title complexes were oxidized with hydrogen peroxide under acidic and basic aqueous conditions. The corresponding low-spin tetracyano(diamine)ferrate(III) complexes with (<I>R</I>)-1,2-propanediamine, (1<I>R</I>,2<I>R</I>)-1,2-cyclopentanediamine, and (1<I>R</I>,2<I>R</I>)-1,2-cyclohexanediamine as diamines formed under acidic conditions and were characterized with several spectral measurements including the CD spectra. Each CD spectrum showed a moderate positive Cotton effect at <I>ca.</I> 24700 cm<SUP>−1</SUP> and was assigned to a d-d transition. However a ligand oxidation took place, yielding tetracyano(1,2-diimine)ferrate(II) complexes under neutral and basic conditions; their electronic and <SUP>1</SUP>H- and <SUP>13</SUP>C-NMR spectra are also reported.
- 公益社団法人 日本化学会の論文
著者
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Sakai Tomoya
Faculty Of Pharmaceutical Sciences Nagoya City University
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Goto Masafumi
Faculty Of Pharmaceutical Science Kumamoto University
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Takeshita Michihiro
Faculty of Pharmaceutical Sciences, Nagoya City University
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