申请人:Hoffmann-La Roche Inc.
公开号:US05780607A1
公开(公告)日:1998-07-14
Antisense oligomers of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.4 are independently hydrogen, lower alkyl or acyl; R.sub.3 is hydrogen or lower alkyl; B is a nucleobase or a protected nucleobase, such that said oligomer has a sequence of bases complementary to a selected RNA; n is 5 to 30; X is NR.sub.3 R.sub.4 ; Y is OR.sub.3, or NHR.sub.3 ; as well as, pharmaceutically acceptable salts thereof.
式子:##STR1## 其中R.sub.1、R.sub.2和R.sub.4独立地表示氢、较低的烷基或酰基;R.sub.3表示氢或较低的烷基;B表示核苷碱或被保护的核苷碱,使得所述寡核苷酸具有与所选RNA互补的碱基序列;n为5至30;X为NR.sub.3 R.sub.4;Y为OR.sub.3或NHR.sub.3;以及其药学上可接受的盐。