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1 Bulletin of the Polish Academy of Sciences. Chemistry

1 1999

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Coordination behaviour of biologically active Shiff bases of amino acids towards stannous ion

Singh H. L., Sharma M., Gupta M. K., Varshney A. K.

Bulletin of the Polish Academy of Sciences. Chemistry

1999

Vol. 47, No. 2

103-110

Reaction of tin (II) methoxide with Schiff bases derived by condensation of 2-hydroxy-1-naphthaldehyde, salicylaldehyde with glycine, b-alanine, a-valine, a-iso-leucine and a-tryptophan in 1:1 molar ratio gives a new series of tin(II) complexes. The complexes are monomeric and of non-electrolytic nature. The coordination behaviour of Schiff bases through phenolic and acidic oxygens and azomethine nitrogen towards tin atom has been investigated by infrared and multinuclear magnetic resonance (1 H, 130 and 119Sn) spectral studies. Schiff bases and their tin complexes have also been screened for their antifungal and antibacterial activities as several fungi and bacteria are found quite active in this respect.