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Título : Fragmentation of carbohydrate anomeric alkoxyl radicals: synthesis of chiral 1-bromo-1-fluoro-1-iodo-alditols
Autor : Francisco, Cosme G., González Martín, Concepción C., Kennedy, Alan R., Rodríguez Paz, Nieves
Fecha de publicación : 12-Jan-2004
Editor: Elsevier
Citación : Tetrahedron Asymmetry 15(1): 11-14 (2004)
Resumen: The reaction of 2-bromo-2-deoxy-2-fluoro-hexopyranose and -pentopyranose compounds from the d-gluco, d-galacto, l-rhamno, l-fuco, and l-arabino carbohydrate series with (diacetoxyiodo)benzene and iodine, under visible light irradiation conditions, generated the corresponding 1-bromo-1-deoxy-1-fluoro-1-iodo-alditols with one less carbon. In the case of the d-galacto derivative, the diastereoisomeric mixture can be chromatographically separated and the absolute configuration determined by X-ray crystallographic analysis of the (1R)-isomer.
Descripción : 4 pages, 1 table, 1 scheme.-- Available online Dec 3, 2003.
Versión del editor:
ISSN: 0957-4166
DOI: 10.1016/j.tetasy.2003.10.016
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