Direct conversion of 1-deoxy-1-nitroalditols to methyl glycofuranosides
作者:M. Vojtech、M. Petrušová、B. Pribulová、L. Petruš
DOI:10.1016/j.tetlet.2008.03.044
日期:2008.5
Treatment of the sodium nitronate forms of 1-deoxy-1-nitrohexitols with methanolic sulfuric or hydrochloric acid at −30 °C leads to their regiospecific conversion to the corresponding methyl glycofuranosides. The reaction exhibits more pronounced stereoselectivity for 1-deoxy-1-nitroalditols with the 2,3-erythro configuration than with the 2,3-threo substrates and cis methyl glycofuranosides are the
Preparation and properties of the aldohexofuranose pentaacetates
作者:John D. Stevens
DOI:10.1016/j.carres.2011.09.009
日期:2012.1
The preparation of one isomer of each of the 16 enantiomeric pairs of the aldohexofuranose pentaacetates is described together with (1)H and (13)C NMR data. Eight of the isomers have been obtained crystalline. Equilibrium values for the anomeric pairs have been determined.