Pyrimidine, pyrazole, imidazole and purine N-tetrahydropyranyl (THP) derivatives have been converted in one-pot and in a regio- and stereo-selective manner into the corresponding β-D-2′,3′,5′-tri-O-benzoyl ribofuranosyl nucleoside derivatives on treatment with 1-β-acetyl-2′,3′,5′-tri-O-benzoyl-ribofuranose, hexamethyldisilazane (HMDS), trimethylsilyl chloride (TMSCI), and trimethylsilyl triflate (TMST).
嘧啶、哌唑、
咪唑和
嘌呤N-
四氢吡喃基(THP)衍
生物在一锅反应中以区域和立体选择性方式转化为相应的β-D-2′,3′,5′-三-O-苯甲酰
核糖苷衍
生物,反应中使用了1-β-乙酰-2′,3′,5′-三-O-苯甲酰
核糖、
六甲基二硅氮烷(
HMDS)、三
甲基氯硅烷(TMSCI)和三甲基
硅烷三氟甲磺酸盐(T
MST)。