N6-benzoyl-5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-2',3'-O-isopropylideneadenosine-8-methyl-(8(1)->5'-N)-5'-amino-5'-deoxy-2',3'-O-isopropylidene-6-{[(4-methoxyphenyl)diphenylmethoxy]methyl}-uridine 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 48.0h,
以68%的产率得到5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-2',3'-O-isopropylideneadenosine-8-methyl-(8(1)->5'-N)-5'-amino-5'-deoxy-2',3'-O-isopropylidene-6-{[(4-methoxyphenyl)diphenylmethoxy]methyl}uridine