the ribose moiety in the 6-functionalized products were concurrently removed under mild conditions with aqueous trifluoroacetic acid. Consequently, the present method permits simple and general syntheses of 6-substituted uridines.
发现
锂化的2',3'-O-异丙基-5'-甲氧基甲基-
尿苷与多种亲电试剂在C-6位置上区域特异性地反应。在温和条件下用
三氟乙酸水溶液同时除去6-官能化产物中
核糖部分的保护基。因此,本发明方法可以简单且通用地合成6-取代的
尿苷。