N6-Benzoyl-3'-O-<(tert-butyl)dimethylsilyl>-5'-O-(monomethoxytrityl)adenylyl-<2'-P-(2,5-dichlorophenyl)>->5'>-N6-benzoyl-3'-O-<(tert-butyl)dimethylsilyl>adenosine 2'-(2,5-dichlorophenyl triethylammonium phosphate) 、
2',3'-Anhydro-N6-benzoyladenosine 在
N-甲基咪唑 、
2,4,6-三异丙基苯磺酰氯 作用下,
以
吡啶 为溶剂,
反应 23.0h,
以76%的产率得到N
6-Benzoyl-3'-O-<(tert-butyl)dimethylsilyl>-5'-O-(monomethoxytrityl)adenylyl-<2'-
P-(2,5-dichlorophenyl)>->5'>-N6-benzoyl-3'-O-<(tert-butyl)dimethylsilyl>adenylyl-<2'-P-(2,5-dichlorophenyl)>->5'>-2',3'-anhydro-N6-benzoyladenosine