发明公开
EP1211239A1 PROCESS FOR THE PREPARATION OF 2,3-DIHYDROAZEPINE COMPOUNDS
审中-公开
VERFAHREN ZUR HERSTELLUNG VON 2,3-DIHYDROAZEPIN-DERIVATEN
- 专利标题： PROCESS FOR THE PREPARATION OF 2,3-DIHYDROAZEPINE COMPOUNDS
- 专利标题（中）： VERFAHREN ZUR HERSTELLUNG VON 2,3-DIHYDROAZEPIN-DERIVATEN
-
申请号： EP00956925.2申请日： 2000-09-05
-
公开(公告)号： EP1211239A1公开(公告)日： 2002-06-05
- 发明人: IKEMOTO, Tomomi , ITO, Tatsuya, 117.1-7 Asahigaoka-Kukakuseirichinai , NISHIGUCHI, Atsuko , TOMIMATSU, Kiminori
- 申请人： Takeda Chemical Industries, Ltd.
- 申请人地址： 1-1 Doshomachi 4-chome, Chuo-ku Osaka-shi, Osaka 541-0045 JP
- 专利权人： Takeda Chemical Industries, Ltd.
- 当前专利权人： Takeda Chemical Industries, Ltd.
- 当前专利权人地址： 1-1 Doshomachi 4-chome, Chuo-ku Osaka-shi, Osaka 541-0045 JP
- 代理机构： Lewin, John Harvey
- 优先权： JP25233499 19990906
- 国际公布： WO0117947 20010315
- 主分类号： C07C229/18
- IPC分类号： C07C229/18 ; C07C227/14 ; C07D223/16
摘要：
As a process for preparing 2,3-dihydroazepine compounds at low cost in a simple and easy manner, there is provided a process for the preparation of compounds of the formula:
or salts thereof, characterized in that compounds of the formula:
or salts thereof are reacted with compounds of the formula:
or salts thereof to give compounds of the formula:
or salts thereof, which are then subjected to esterification and ring-closing reaction.
or salts thereof, characterized in that compounds of the formula:
or salts thereof are reacted with compounds of the formula:
or salts thereof to give compounds of the formula:
or salts thereof, which are then subjected to esterification and ring-closing reaction.
信息查询
