| abstract |
(57) [Summary] R 1 is H 2 PO 3 , H 3 P 2 O 5 , H 4 P 3 O 7 or a salt thereof, or H; B is a naturally occurring nucleobase or synthetic be a modified nucleic acid bases; R 2 is, oR 3, n 3, Y- biotinoyl or NHC = O (CH 2) is a n Y- biotinoyl, in this case, R 3 is, H, alkyl, Aralkyl, acyl, or aroyl; Y is NH or O; n = 1-10, and A is H or OH, where deoxyfructonucleotides and dideoxyfructonucleotides represented by Formula I are Disclosed. |