| abstract |
An oligonucleotide that contains an azobenzene derivative moiety, represented by general formula (1) or (2) [wherein A 1 and A 2 are each independently a hydrogen atom, a nucleotide, or an oligonucleotide; B 1 and B 2 are each independently hydroxyl, a nucleotide, or an oligonucleotide; R 11 and R 12 are each independently C 1-20 alkyl; R 21 and R 22 are each independently a hydrogen atom or C 1-20 alkyl; and R 13 to R 18 and R 23 to R 28 are each independently a hydrogen atom, a C 1-20 alkyl or alkoxy group, a C 2-20 alkenyl or alkynyl group, a hydroxyl group, a halogen atom, an amino group, a nitro group or a carboxyl group, said C 1-20 alkyl or alkoxy group being optionally substituted with a halogen atom, a hydroxyl group, an amino group, a nitro group, or a carboxyl group, and said C 2-20 alkenyl or alkynyl group being optionally substituted with a halogen atom, a hydroxyl group, an amino group, a nitro group, or a carboxyl group]. |