Ternary metal complexes of vitamin B6related compounds. Crystal and molecular structures of copper(II)–2,2′-bipyridyl-pyridoxic acid and copper(II)–2,2′-bipyridyl–pyridoxic acid γ-lactone complexes

1987 ◽  
pp. 1009-1015 ◽  
Author(s):  
S. P. Sudhakara Rao ◽  
Hattikudur Manohar ◽  
Katsuyuki Aoki ◽  
Hiroshi Yamazaki
Keyword(s):  
Metal Complexes ◽  
Molecular Structures ◽  
Crystal And Molecular Structures ◽  
Ternary Metal ◽  
Ternary Metal Complexes

PREPARATION AND CHARACTERIZATION OF SOME BINARY AND TERNARY METAL COMPLEXES OF IMIDAZOLE AND AMINO ACIDS

1966 ◽  
Vol 44 (14) ◽  
pp. 1637-1641 ◽  
Author(s):  
G. N. Rao ◽  
N. C. Li
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Metal Complexes ◽  
Proton Magnetic Resonance ◽  
Spectral Studies ◽  
Visible Spectra ◽  
Infrared Spectral ◽  
Ternary Metal ◽  
Ternary Metal Complexes

Five new ternary metal complexes containing imidazole and glycylglycine or amino acid have been prepared and characterized by proton magnetic resonance and infrared spectral studies. Seven new binary metal complexes have also been prepared and studied. The isolation of Cd(imidazole)6Cl2•H2O and Ni(imidazole)6-Cl2•4H2O provides evidence that the coordination number of these metal ions to imidazole in the solid state is six. The visible spectra of the Ni(II) complexes of amino acid and imidazole show that all these are octahedral in aqueous solution.

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