某些官能化手性氮杂环丙烷衍生物的合成及其结构

来源 :化学学报 | 被引量 : 0次 | 上传用户:lianhehe
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手性元5-(R)-(1R,2S,5R)-孟氧基-3-溴-2(5H)-呋喃酮(3)与氮亲核试剂伯胺(4),通过串联的不对称Michael加成,分子内亲核取代反应得到了具有两个新的手性中心的1R,5S-6-烷基-6-氮杂-2R-孟氧基-3-氧杂-4-氧代二环[3,1,0]己烷(5a~5d),产率41%-51%,e.e.≥98%.后者经LiAlH4还原得到N-烷基-2,3-双(羟甲基)氮杂环丙烷(6a-6d),产率66%-91%.化合物5和6通过元素分析,IR,1^HNMR,13^CNMR,MS以及X射线晶体分
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