Invention Grant
US08173824B2 Process for producing vitamin D derivative using convergent method
有权
使用收敛法生产维生素D衍生物的方法
- Patent Title: Process for producing vitamin D derivative using convergent method
- Patent Title (中): 使用收敛法生产维生素D衍生物的方法
-
Application No.: US12095918Application Date: 2006-12-04
-
Publication No.: US08173824B2Publication Date: 2012-05-08
- Inventor: Kunio Ogasawara , Takashi Emura , Akira Kawase , Koji Takano , Keisuke Yamamoto , Yoshiaki Kato
- Applicant: Kunio Ogasawara , Takashi Emura , Akira Kawase , Koji Takano , Keisuke Yamamoto , Yoshiaki Kato
- Applicant Address: JP Tokyo
- Assignee: Chugai Seiyaku Kabushiki Kaisha
- Current Assignee: Chugai Seiyaku Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Browdy and Neimark, PLLC
- Priority: JP2005-349702 20051202
- International Application: PCT/JP2006/324181 WO 20061204
- International Announcement: WO2007/064011 WO 20070607
- Main IPC: C07C401/00
- IPC: C07C401/00 ; C07C35/00 ; C07C233/00
Abstract:
There are provided a novel process for producing [{(5Z,7E)-(1S,3R,20S)-1,3-dihydroxy-9,10-secopregna-5,7,10(19),16-tetraen-20-yl}oxy]-N-(2,2,3,3,3-pentafluoropropyl)acetamide, which process is shown in the following reaction scheme: an intermediate useful for carrying out the process, and a process for producing the intermediate.
Public/Granted literature
- US20100217020A1 PROCESS FOR PRODUCING VITAMIN D DERIVATIVE USING CONVERGENT METHOD Public/Granted day:2010-08-26
Information query
