申请人:SANKYO COMPANY, LIMITED
公开号:US20040143114A1
公开(公告)日:2004-07-22
Bicyclonucleoside analogues which exhibit anti-AIDS activity and intermediates to produce oligonucleotide analogues which have anti-sense or anti-gene activity as well as in vivo stability. Compounds of the following formula (1) or their pharmaceutically acceptable salts.
1
wherein R
1
represents a hydrogen atom or a protecting group for a hydroxy group, R
2
represents an azido group or an optionally protected amino group or the like, B represents a purin-9-yl or a 2-oxo-1,2-dihydropyrimidin-1-yl group, which are optionally substituted with substituents selected from the group consisting of a halogen atom, an alkyl group having 1-6 carbon atoms, a hydroxy group, a mercapto group and an amino group.
具有抗艾滋病活性的双环核苷类似物,以及生产具有抗义或抗基因活性和体内稳定性的寡核苷酸类似物的中间体。下式(1)化合物或其药学上可接受的盐类。
1
其中 R
1
代表氢原子或羟基的保护基团,R
2
B 代表嘌呤-9-基或 2-氧代-1,2-二氢嘧啶-1-基,它们可选择被选自卤素原子、具有 1-6 个碳原子的烷基、羟基、巯基和氨基的取代基取代。