5'-O-<(p-Anisyl)diphenylmethyl>-N4-benzoyl-3'-O-<(tert-butyl)dimethylsilyl>-P-methyltubercidylyl-(2'-> 5')-N4-benzoyl-3'-O-<(tert-butyl)dimethylsilyl>-P-methyltubercidylyl-(2'-> 5')-N4-benzoyl-2',3'-bis-O-<(tert-butyl)dimethylsilyl>tubercidin 在
zinc dibromide 作用下,
以
甲醇 、
硝基甲烷 为溶剂,
反应 0.08h,
以75%的产率得到N
4-Benzoyl-3'-O-<(tert-butyl)dimethylsilyl>-P-methyltubercidylyl-(2'-> 5')-N
4-benzoyl-3'-O-<(tert-butyl)dimethylsilyl>-P-methyltubercidylyl-(2'-> 5')-N
4-benzoyl-2',3'-bis-O-<(tert-butyl)dimethylsilyl>tubercidin