Invention Grant
- Patent Title: Process for preparing phenoxypyridine derivatives
- Patent Title (中): 苯氧基吡啶衍生物的制备方法
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Application No.: US11892785Application Date: 2007-08-27
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Publication No.: US07790885B2Publication Date: 2010-09-07
- Inventor: Mitsuo Nagai , Tomohiro Matsushima , Atsushi Kamada , Kazunori Wakasugi , Shuji Shirotori , Shinya Abe , Kazumasa Nara , Takahisa Sakaguchi
- Applicant: Mitsuo Nagai , Tomohiro Matsushima , Atsushi Kamada , Kazunori Wakasugi , Shuji Shirotori , Shinya Abe , Kazumasa Nara , Takahisa Sakaguchi
- Applicant Address: JP Tokyo
- Assignee: Eisai R&D Management Co., Ltd.
- Current Assignee: Eisai R&D Management Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2006-285327 20061019
- Main IPC: C07D239/02
- IPC: C07D239/02 ; C07D213/00 ; C07D213/81
Abstract:
A process for preparing a compound represented by the formula (I): comprising reacting a compound represented by the formula (II) or salt thereof: with a compound represented by the formula (III): in the presence of a condensation reagent, wherein R1 represents 1) optionally substituted azetidin-1-yl, 2) optionally substituted pyrrolidin-1-yl, 3) optionally substituted piperidin-1-yl, etc.; R2, R3, R4 and R5 may be the same or different and each represents hydrogen or fluorine; and R6 represents hydrogen or fluorine.
Public/Granted literature
- US20080214815A1 Process for preparing phenoxypyridine derivatives Public/Granted day:2008-09-04
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