Cobalt(III) complexes with quadridentate ligands. IX. High-resolution solid-state 13C CP/MAS NMR spectra of the salicylato-, carbonato-, dichloro-, and dinitro(quadridentate amine)-cobalt(III) complexes.
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概要
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High-resolution solid-state <SUP>13</SUP>C CP/MAS NMR was applied to many cobalt(III) complexes, such as salicylato-, carbonato-, dichloro-, and dinitro(quadridentate amine)cobalt(III) complexes, [CoL<SUB>2</SUB>(quadridentate amine)]<SUP>+</SUP> (L: 1/2sal, 1/2CO<SUB>3</SUB> Cl, NO<SUB>2</SUB>; quadridentate amine: tren, trien, 2,3,2-tet, 3,2,3-tet, 3,3,3-tet). The signals of the methylene carbons of the coordinated quadridentate amine ligands in their complexes have been assigned to the center, NH<SUB>2</SUB>– side, NH– side, and N– side methylene carbons. Also, the signals of the ring carbons of the coordinated salicylato ligand in their complexes have been assigned to the individual carbon atoms. It has been found that the signals of nonprotonated carbons (C-1, C-2, and C-7) of the coordinated salicylato ligand have been very high and that the <SUP>13</SUP>C CP/MAS NMR method is well-suited for studies of unstable compounds in solutions.
- 公益社団法人 日本化学会の論文
著者
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Toyota Eiko
Faculty Of Pharmaceutical Sciences Health Sciences University Of Hokkaido
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Shimokawa Shigezo
Nmr Laboratory Faculty Of Engineering Hokkaido University
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Yamamoto Yoshihisa
Faculty Of Engineering Kyushu University
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Toyota Eiko
Faculty of Pharmaceutical Science, Higashi Nippon Gakuen University
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