Amidite derivatives and oligonucleotide derivatives

摘要

PCT No. PCT/JP96/00868 Sec. 371 Date Dec. 22, 1997 Sec. 102(e) Date Dec. 22, 1997 PCT Filed Mar. 29, 1996 PCT Pub. No. WO96/30386 PCT Pub. Date Oct. 3, 1996The present invention provides a compound of general formula (I): wherein X represents group (II) or (III): wherein Y represents a leaving group and Z represents an oligonucleotide. The compound can specifically transfer oligonucleotides to cells which specifically recognize a specified saccharide construction. Accordingly, the compound can be used as an antiviral agent or an antitumor agent.