5'-azido-2'-O-(tert-butyldimethylsilyl)-3'-(N-carbonylmethyl)-3',5'-dideoxyuridinyl-(3'-5')-5'-amino-2'-O-(tert-butyldimethylsilyl)-3'-(N-carbonylmethyl)-3',5'-dideoxyuridinyl-(3'-5')-5'-amino-2',3'-bis-O-(tert-butyldimethylsilyl)uridine 在
palladium on activated charcoal
氢气 作用下,
以
四氢呋喃 为溶剂,
反应 12.0h,
以72%的产率得到5'-amino-2'-O-(tert-butyldimethylsilyl)-3'-(N-carbonylmethyl)-3',5'-dideoxyuridinyl-(3'-5')-5'-amino-2'-O-(tert-butyldimethylsilyl)-3'-(N-carbonylmethyl)-3',5'-dideoxyuridinyl-(3'-5')-5'-amino-2',3'-bis-O-(tert-butyldimethylsilyl)uridine