4-羟基吡咯并[2,3-D]嘧啶置于n-碘代丁二酰亚胺,三氯氧磷体系中,用 N,N-二甲基甲酰胺 用作溶剂,化学反应 5.0H,反应生成4-氯-5-碘-7H-吡咯并[2,3-D]嘧啶
参考文献:First Total Synthesis Of A Naturally occurring Iodinated 5'-Deoxyxylofuranosyl Marine Nucleoside
标题:First Total Synthesis Of A Naturally occurring Iodinated 5'-Deoxyxylofuranosyl Marine Nucleoside
摘要:研究人员从蛔虫(diplosoma Sp.)中分离出了一种不寻常的天然海洋核苷--4-氨基-7-(5'-脱氧-β-D-羟基呋喃糖基)-5-碘吡咯并[2,3-D]嘧啶1,该核苷由d-木糖经7个步骤合成,10克的总收率为28%.关键步骤是 5-碘-吡咯并[2,3-D]嘧啶与 5-脱氧-1,2-O-二乙酰基-3-O-苯甲酰基-D-氧基呋喃糖的沃布吕根糖基化.其绝对构型已得到确认.
Doi:10.3390/md10040881