Synthesis of Deoxygenated Disaccharide Precursors for Modified Lipid II Synthesis
作者:De-Qun Sun、Roger Busson、Piet Herdewijn
DOI:10.1002/ejoc.200600515
日期:2006.11
The synthesis of novel deoxygenated disaccharide precursors for modified lipid II synthesis is described. The 3- and 4-deoxy-GlcNAc donors were obtained, respectively, by radical reduction of the iodo derivative by TBTH/AIBN and hydrogen reduction of the triflate using a borohydride reagent (nBu4NBH4). O-Glycosylation of the acceptor, promoted by NIS/TMSOTf, led to the 3- and 4-deoxygenated disaccharides
描述了用于修饰脂质 II 合成的新型脱氧二糖前体的合成。通过 TBTH/AIBN 自由基还原碘衍生物和使用硼氢化物试剂 (nBu4NBH4) 氢还原三氟甲磺酸酯,分别获得 3-和 4-脱氧-GlcNAc 供体。NIS/TMSOTf 促进受体的 O-糖基化,产生 3-和 4-脱氧二糖。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)