、 N
6-benzoyl-8-(chloromethyl)-5'-O-[(dimethyl)(1,1,2-trimethylpropyl)silyl]-2',3'-O-isopropylideneadenosine 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以90 mg的产率得到N
6-benzoyl-5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-2',3'-O-isopropylideneadenosine-8-methyl-(8
1->5'-S)-2',3'-O-isopropylidene-5'-thiouridine-6-methyl-(6
1->5'-S)-N
6-benzoyl-2',3'-O-isopropylidene-5'-thioadenosine-8-methyl-(8
1->5'-S)-2',3'-O-isopropylidene-6-{[(4-methoxyphenyl)diphenylmethoxy]methyl}-5'-thiouridine