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公开(公告)号:US09045426B2
公开(公告)日:2015-06-02
申请号:US14165365
申请日:2014-01-27
Applicant: EISAI R&D MANAGEMENT CO., LTD.
Inventor: Itaru Arimoto , Satoshi Nagato , Yukiko Sugaya , Yoshio Urawa , Koichi Ito , Hiroyuki Naka , Takao Omae , Akio Kayano , Katsutoshi Nishiura
IPC: C07D401/04 , C07D213/64
CPC classification number: C07D213/64
Abstract: The present inventions provide a method for commercially producing a 1,2 -dihydropyridine-2-one compound represented by the following formula (III-a) wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and the ring C represents an optionally substituted phenyl group. Further, the invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2 -dihydropyridin-2-one and production processes therefore.
Abstract translation: 本发明提供了一种用于商业生产下式(III-a)表示的1,2-二氢吡啶-2-酮化合物的方法,其中环A表示任选取代的2-吡啶基,环B表示任选取代的 苯基,环C表示任选取代的苯基。 此外,本发明提供3-(2-氰基苯基)-5-(2-吡啶基)-1-苯基-1,2-二氢吡啶-2-酮的晶体及其制备方法。