Phosphoric acid (2R,3R,5S)-2-(6-benzoylamino-purin-9-yl)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-3-yl ester 2-chloro-phenyl ester; compound with triethyl-amine 、
Phosphoric acid (2R,3R,5S)-2-(6-benzoylamino-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3-yl ester 2-chloro-phenyl ester 2-cyano-ethyl ester 在
1-(2,4,6-triisopropylbenzenesulfonyl)-3-nitro-1,2,4-triazole 作用下,
以
吡啶 为溶剂,
反应 20.0h,
以58%的产率得到[(2R,3R,5S)-2-(6-benzamidopurin-9-yl)-5-[[[(2R,3R,5S)-2-(6-benzamidopurin-9-yl)-5-[[(4-methoxyphenyl)-diphenylmethoxy]methyl]oxolan-3-yl]oxy-(2-chlorophenoxy)phosphoryl]oxymethyl]oxolan-3-yl] (2-chlorophenyl) 2-cyanoethyl phosphate