发明授权
- 专利标题: Method and compositions for the synthesis of dioxolane nucleosides with .beta.-configuration
- 专利标题(中): 用β-配置合成二氧戊环核苷的方法和组合物
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申请号: US251431申请日: 1999-02-17
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公开(公告)号: US6069250A公开(公告)日: 2000-05-30
- 发明人: Tarek Mansour , Alex Cimpoia , Krzysztof Bednarski
- 申请人: Tarek Mansour , Alex Cimpoia , Krzysztof Bednarski
- 申请人地址: CAX Quebec
- 专利权人: Biochem Pharma Inc.
- 当前专利权人: Biochem Pharma Inc.
- 当前专利权人地址: CAX Quebec
- 优先权: GBX9525606 19951214
- 主分类号: C07D473/00
- IPC分类号: C07D473/00 ; C07D317/10 ; C07D405/04 ; C07D473/04 ; C07D473/16 ; C07D473/18 ; C07D473/30 ; C07D473/32 ; C07D473/34 ; C07D473/40 ; C07D487/04 ; C07H20060101 ; C07D239/26
摘要:
The present invention relates to methods and compositions for preparing biologically important nucleoside analogues containing 1,3-dioxolane sugar rings. In particular, this invention relates to the stereoselective synthesis of the beta (cis) isomer by glycosylating the base with an intermediate of formula (II) below a temperature of about -10.degree. C. ##STR1## wherein R.sub.1 and L are as defined herein.
公开/授权文献
- US5112789A Alkoxylation catalysis 公开/授权日:1992-05-12
信息查询
IPC分类:
C | 化学;冶金 |
C07 | 有机化学 |
C07D | 杂环化合物(高分子化合物入C08) |
C07D473/00 | 含嘌呤环系的杂环化合物 |