Mohan Das, T. ; Rao, Chebrolu P. ; Kolehmainen, Erkki (2001) Interaction of metal ions with N-glycosylamines: isolation and characterization of the products of 4,6-O-benzylidene-N-(o-carboxyphenyl)-β-D-glucopyranosylamine with different metal ions Carbohydrate Research, 335 (3). pp. 151-158. ISSN 0008-6215
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0008-6215(01)00234-8
Abstract
Metal-ion complexes of Li+, Na+, K+, Mg2+, Ca2+, Ba2+, Pb2+, Cd2+, Hg2+ with 4,6-O-benzylidene-N-(o-carboxyphenyl)-β-D-glucopyranosylamine were synthesized and isolated as solid products and characterized by analytical means as well as by spectral techniques, such as, 1H and 13C NMR, FTIR, absorption, FAB mass spectrometry, optical rotation and CD. While the alkali metal ions formed ML type of complexes, the other metal ions formed ML2 type complexes. Molecular weights of the complexes of Li+, Na+ and K+ were established based on the molecular-ion peaks in the FAB mass spectra. The saccharide portion remians in the β-anomeric form even after the complexation. The spectral data, as well as the trends observed in the chemical shifts, indicate the interaction preferences between this glycosyl amine and different metal ions, and further reveal certain structural features of the complexes.
Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier Science. |
Keywords: | 4,6-O-Benzylidene-N-(o-carboxyphenyl)-β-D-glucopyranosylamine; Anthranilic Acid; Alkali Metal Ions; Alkaline Earth Metal Ions; Metal-ion Interaction |
ID Code: | 79168 |
Deposited On: | 24 Jan 2012 15:22 |
Last Modified: | 19 Apr 2012 05:46 |
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