| abstract |
A nucleoside analog and a salt thereof represented by any of the general formulae (1) to (10) below:n nwherein R 1 , R 2 , and R 3 are the same or different groups, and each of the R 1 , R 2 and R 3 is selected from a hydrogen atom, a protecting group for a functional group in nucleic acid synthesis, a phosphate group, a phosphate group protected by a protecting group in nucleic acid synthesis, and an activated phosphate group for solid phase synthesis; and Ar is one of an aromatic hydrocarbon group and a polyaromatic hydrocarbon group. |