COMPOUND HAVING STRUCTURE DERIVED FROM MONONUCLEOSIDE OR MONONUCLEOTIDE, NUCLEIC ACID, LABELING SUBSTANCE, AND METHOD AND KIT FOR DETECTION OF NUCLEIC ACID

摘要

Disclosed is a labeling substance which enables to detect a double-stranded structure in a nucleic acid effectively. Specifically disclosed is: a compound having a structure derived from a mononucleoside or mononucleotide, wherein the structure is represented by the formula (1), (1b) or (1c); a tautomer or stereoisomer of the compound; or a salt of the compound, the tautomer or the stereoisomer. (1) (1b) (1c) wherein B represents an atomic group having a nucleobase skeleton; E represents an atomic group having a deoxyribose skeleton, a ribose skeleton or a structure derived from the deoxyribose skeleton or the ribose skeleton, or an atomic group having a peptide structure or a peptoid structure; and Z 11 and Z 12 independently represent a hydrogen atom, a protecting group or a fluorescent atomic group, and may be the same as or different from each other.