N6-Benzoyl-2'-O-<(tert-butyl)dimethylsilyl>-5'-O-(monomethoxytrityl)adenosine 3'-(2-Cyanoethyl N,N-Diisopropylphosphoroamidite) 、 (PR)-N
6-Benzoyl-2'-O-<(tert-butyl)dimethylsilyl>-P-thioadenylyl-(3'-
P-(2-cyanoethyl)>->5')-N6-benzoyl-2',3'-bis-O-<(tert-butyl)dimethylsilyl>adenosine 在
sulfur 、 3-硝基-1,2,4-三氮唑 作用下,
生成 (PR)-N6-Benzoyl-2'--5'-O-(monomethoxytrityl)-P-thioadenylyl-(3'-P-(2-cyanoethyl)>->5')-(PR)-N6-benzoyl-2'-O-<(tert-butyl)dimethylsilyl>-P-thioadenylyl-(3'-P-(2-cyanoethyl)>->5)-N6-benzoyl-2',3'-bis-O-..... 、 (PS)-N6-Benzoyl-2'--5'-O-(monomethoxytrityl)-P-thioadenylyl-(3'-P-(2-cyanoethyl)>->5')-(PR)-N6-benzoyl-2'-O-<(tert-butyl)dimethylsilyl>-P-thioadenylyl-(3'-P-(2-cyanoethyl)>->5)-N6-benzoyl-2',3'-bis-O-.....