发明公开
EP2202233A1 METHOD FOR PRODUCING PYRAZOLE FUSED RING DERIVATIVE
审中-公开
VERFAHREN ZUR HERSTELLUNG EINES PYRAZOL-ANELLIERTEN RINGDERIVATS
- 专利标题： METHOD FOR PRODUCING PYRAZOLE FUSED RING DERIVATIVE
- 专利标题（中）： VERFAHREN ZUR HERSTELLUNG EINES PYRAZOL-ANELLIERTEN RINGDERIVATS
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申请号： EP08840583.2申请日： 2008-10-17
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公开(公告)号： EP2202233A1公开(公告)日： 2010-06-30
- 发明人: SATO, Keizo , NARA, Kazumasa , SHIMOMURA, Naoyuki
- 申请人： Eisai R&D Management Co., Ltd.
- 申请人地址： 6-10, Koishikawa 4-chome Bunkyo-ku Tokyo 112-8088 JP
- 专利权人： Eisai R&D Management Co., Ltd.
- 当前专利权人： Eisai R&D Management Co., Ltd.
- 当前专利权人地址： 6-10, Koishikawa 4-chome Bunkyo-ku Tokyo 112-8088 JP
- 代理机构： HOFFMANN EITLE
- 优先权： JP2007271068 20071018; JP2008107868 20080417
- 国际公布： WO2009051210 20090423
- 主分类号： C07D471/04
- IPC分类号： C07D471/04 ; A61K31/437 ; A61P25/22 ; A61P25/24 ; A61P43/00 ; C07F5/02
摘要：
Disclosed is a commercially advantageous method for producing a pyrazole fused ring derivative (such as a 7-phenylpyrazolo[1,5-a]pyridine derivative). Specifically disclosed is a method for producing a compound (I) represented by the formula (I) below or a salt thereof, which comprises a step A wherein a hydroxy group in a compound (IV) represented by the formula (IV) below is converted into a methoxy group, thereby obtaining a compound (I) or a salt thereof:
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