AROMATIC COMPOUND, MODIFICATION CARRIER THAT USES SAME AND IS USED FOR SYNTHESIZING AN OLIGONUCLEOTIDE DERIVATIVE, OLIGONUCLEOTIDE DERIVATIVE, AND OLIGONUCLEOTIDE CONSTRUCT

摘要

The present invention provides an oligonucleotide derivative that enables to easily synthesize an oligonucleotide derivative chemically modified at the 3'-end with two moieties each having a benzene or pyridine structure with a few steps, an aromatic compound serving as a precursor for preparing the modification carrier for synthesizing oligonucleotide derivative, and the oligonucleotide derivative and the oligonucleotide construct using the same, that is chemically modified at the 3'-end with two moieties each having a benzene or pyridine structure, and has good permeability through a cell membrane and excellent nuclease resistance. The modification carrier for synthesizing oligonucleotide derivative, comprising a unit and a carrier carrying the unit directly or via a linker, wherein the unit is represented by the formula (a): wherein, R 1 to R 6 each independently represent hydrogen or a substituent other than hydrogen; Z 1 and Z 2 each independently represent CH or nitrogen; and X represents oxygen or sulfur.