Acetic acid (2R,3R,4S,5R)-2-acetoxymethyl-5-[6-chloro-2-(trityl-amino)-purin-9-yl]-4-hydroxy-4-methyl-tetrahydro-furan-3-yl ester 在
4,4'-二氨基二苯乙烯-2,2'-二磺酸 作用下,
以
甲苯 为溶剂,
反应 1.0h,
以72%的产率得到Acetic acid (2R,3R,4R,5R)-2-acetoxymethyl-5-[6-chloro-2-(trityl-amino)-purin-9-yl]-4-hydroxy-4-methyl-tetrahydro-furan-3-yl ester