发明申请
US20060247440A1 Processes for the preparation of O-(6-pyrazol-1-yl-pyridin-3-ylmethyl)-hydroxylamine
有权
用于制备O-（6-吡唑-1-基 - 吡啶-3-基甲基） - 羟胺的方法
- 专利标题： Processes for the preparation of O-(6-pyrazol-1-yl-pyridin-3-ylmethyl)-hydroxylamine
- 专利标题（中）： 用于制备O-（6-吡唑-1-基 - 吡啶-3-基甲基） - 羟胺的方法
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申请号： US11205764申请日： 2005-08-17
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公开(公告)号： US20060247440A1公开(公告)日： 2006-11-02
- 发明人: Datong Tang , Yao-Ling Qiu , Heejin Kim , Yat Or , Zhe Wang
- 申请人： Datong Tang , Yao-Ling Qiu , Heejin Kim , Yat Or , Zhe Wang
- 主分类号： C07D403/04
- IPC分类号： C07D403/04 ; C07D401/00
摘要：
The present invention relates generally to novel methods for the synthesis of O-(6-pyrazol-1-yl-pyridin-3-ylmethyl)-hydroxylamine which is an essential reagent in the synthesis of one of the bridged erythromycin derivatives and their respective pharmaceutically acceptable salts in PCT Application WO 03/097659 A1. In particular, the present invention relates to processes and intermediates for the preparation of a compound of formula (Ia):