专利检索 ap:("Eisai R&D Management Co., Ltd.") AND inv:"YASUDA, Yoshinori" 第 1 页

1.

发明公开
METHOD AND COMPOUND USEFUL IN PREPARATION OF OREXIN-2 RECEPTOR ANTAGONIST, AND LEMBOREXANT HAVING FEW IMPURITIES 审中-公开

公开(公告)号：EP3971164A1

公开(公告)日：2022-03-23

申请号：EP20806704.1

申请日：2020-05-13

申请人： Eisai R&D Management Co., Ltd.

发明人： ABE, Taichi , YOSHIZAWA, Kazuhiro , WATANABE, Yuzo , MIURA, Takeshi , AYATA, Yusuke , YASUDA, Yoshinori

IPC分类号： C07C67/14 , C07C29/147 , C07C33/50 , C07C69/63 , C07C303/28 , C07C309/73 , C07D239/34 , C07D401/12 , A61K31/506 , A61P25/20 , A61P43/00 , C07B61/00

摘要： The present application discloses a method and a compound that are useful for preparation of a compound of Formula (XI). Furthermore, the present application discloses the compound of Formula (XI) comprising a small amount of impurities.