Amine-derivatized nucleosides and oligonucleosides

摘要

Oligonucleotide-folate conjugates are described wherein folates are conjugated to one or more sites on an oligonucleotide including the 2'-, 3'-, 5'-, nucleobase and internucleotide linkage sites. The folate can be attached via the alpha- or gamma-carboxylate, optionally through a linking group. Methods for the regiospecific synthesis of the conjugates are disclosed.