在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 12.0h,
以40 mg的产率得到5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-2',3'-isopropylideneuridine-6-methyl-(6
1->5'-S)-2',3'-O-isopropylidene-5'-thioadenosine-8-methyl-(8
1-5'-S)-2',3'-O-isopropylidene-5'-thiouridine-6-methyl-(6
1->5'-S)-2',3'-O-isopropylidene-8-{[(4-methoxyphenyl)diphenylmethoxy]methyl}-5'-thioadenosine