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Reactions of Saccharides Catalyzed by Molybdate Ions. 46. Molybdate Complexes of Aldotetroses, 5-Deoxy-L-arabinose, and 5-Deoxy-L-ribose

M. Matulová and V. Bílik

Institute of Chemistry, Slovak Academy of Sciences, CS-842 38 Bratislava

 

Abstract: It was proved by means of 1H, 13C  and 95Mo NMR spectroscopy that in aqueous solution of ammonium molybdate D-threose, D-erythrose, 5-deoxy-L-arabinose, and 5-deoxy-L-ribose in acyclic hydrated form enter binuclear tetradentate molybdate complexes. Arrangement of D-threose and 5-deoxy-L-arabinose carbon chain at the site of complexation was found to be zig-zag, whilst that of D-erythrose and 5-deoxy-L-ribose sickle. Molybdate complexes of respective aldoses are present in two conformations, formation of which is explained by different linkage modes of aldose to the binuclear molybdate core.

Full paper in Portable Document Format: 464a253.pdf

 

Chemical Papers 46 (4) 253–256 (1992)

Monday, June 24, 2024

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