Title:
アンブリセンタンを調製するための改善された方法およびその新規な中間体
Document Type and Number:
Japanese Patent JP5531097
Kind Code:
B2
Abstract:
The invention relates to improved processes for the preparation of ambrisentan. The invention also relates to new polymorphic form of ambrisentan. In particular, it relates to a polymorphic form, designated as Form I of ambrisentan and a process for the preparation of the Form I.
Inventors:
Corsic Babby Sata
Bipin Panday
Bipin Panday
Application Number:
JP2012519124A
Publication Date:
June 25, 2014
Filing Date:
July 12, 2010
Export Citation:
Assignee:
Cadilla Healthcare Limited
International Classes:
C07D239/34; A61K31/513; A61P9/12; A61P11/00; A61P43/00; C07C51/43; C07C59/64; C07B57/00
Domestic Patent References:
| JP10507190A | ||||
| JP2002528524A | ||||
| JP2003505377A | ||||
| JP2002533330A | ||||
| JP2001514254A |
Foreign References:
| WO2008097468A1 |
Other References:
Organic Process Research & Development,2001年,5(1),p.16-22
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
Previous Patent: JPS5531096
Next Patent: 1-ACYL-3-(3,5-DIHALOGENOPHENYL)-HYDANTOIN DERIVATIVE, ITS PREPARATION, AND AGRICULTURAL AND HORTICUL...
Next Patent: 1-ACYL-3-(3,5-DIHALOGENOPHENYL)-HYDANTOIN DERIVATIVE, ITS PREPARATION, AND AGRICULTURAL AND HORTICUL...