作者:Dilip D Dhavale、Vijaya N Desai、Milind D Sindkhedkar、Raghao S Mali、Carlo Castellari、Claudio Trombini
DOI:10.1016/s0957-4166(97)00147-x
日期:1997.5
to dialdose derived nitrones 3 and 7 afforded and , respectively, in high yields. The stereoselectivity of the addition reaction was improved by the use of trimethylsilyl triflate. The NO bond reductive cleavages of N-benzylhydroxylamines took place in good yields and offered an easy access to N-benzylaminosugars. The potential of these aminosugars is demonstrated by the synthesis of glycosidase inhibitor
分别以高收率将1,3-甲基氯化镁加到由二糖衍生的硝酮3和7上,并分别得到。通过使用三氟甲磺酸三甲基甲硅烷基酯可以提高加成反应的立体选择性。N-苄基羟胺的N=O键还原性裂解以高收率发生,并提供了容易获得的N-苄基氨基糖。这些氨基糖的潜力已通过糖苷酶抑制剂6-脱氧野oji霉素1a的合成得到证明。