5'-S-acetyl-2',3'-O-cyclohexylidene-5'-thioneuridine 、
N(6)-benzoyl-8-chloromethyl-2',3'-O-cyclohexylidene-5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]adenosine 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 17.0h,
以91%的产率得到2',3'-O-cyclohexylidene-5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]adenosine-8-methyl-(8(1)->5'-S)-2',3'-O-cyclohexylidene-5'-thiouridine