申请人:Ueda Toshihiro
公开号:US08969551B2
公开(公告)日:2015-03-03
The present invention provides a useful morpholino nucleic acid derivative for synthesizing a morpholino nucleic acid oligomer. The present invention provides a compound represented by the following general formula (1) or a salt thereof.
Here, R1 represents hydrogen, trityl and so on.
R2 represents an amide or an imine.
R3 represents a hydroxy group which may be protected by trialkylsilyl and so on, or a group represented by the following general formula (5):
(wherein X represents O or S, Y represents dialkylamino or alkoxy, and Z represents chlorine).
本发明提供了一种有用的morpholino核酸衍生物,用于合成morpholino核酸寡聚体。本发明提供了一种由下列通式(1)表示的化合物或其盐。其中,R1表示氢、三苯甲基等。R2表示酰胺或亚胺。R3表示羟基,可以由三烷基硅等保护,或由下列通式(5)表示的基团:(其中,X表示O或S,Y表示二烷基氨基或烷氧基,Z表示氯)。