Title:
PREPARATION OF OSEMOZOTAN AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS, AND ITS INTERMEDIATE
Document Type and Number:
WIPO Patent Application WO/2010/000193
Kind Code:
A1
Abstract:
The invention provides a process for preparing osemozotan and its pharmaceutically acceptable salts. The invention also provides an intermediate, (2R)-N-[3-(1,3- benzodioxol-5-yloxy)propyl]-1,4-benzodioxin-2-formamide, used in the process and its preparation.
Inventors:
WANG YONG (CN)
ZHANG GUISEN (CN)
MA YANQIN (CN)
ZHOU YINGZHEN (CN)
ZHOU SHIXIA (CN)
PENG WEIJUAN (CN)
ZHANG GUISEN (CN)
MA YANQIN (CN)
ZHOU YINGZHEN (CN)
ZHOU SHIXIA (CN)
PENG WEIJUAN (CN)
Application Number:
PCT/CN2009/072509
Publication Date:
January 07, 2010
Filing Date:
June 29, 2009
Export Citation:
Assignee:
NHWA PHARMA CORP (CN)
WANG YONG (CN)
ZHANG GUISEN (CN)
MA YANQIN (CN)
ZHOU YINGZHEN (CN)
ZHOU SHIXIA (CN)
PENG WEIJUAN (CN)
WANG YONG (CN)
ZHANG GUISEN (CN)
MA YANQIN (CN)
ZHOU YINGZHEN (CN)
ZHOU SHIXIA (CN)
PENG WEIJUAN (CN)
International Classes:
C07D407/12; C07D319/20
Foreign References:
| EP0446921B1 | 1998-09-30 | |||
| JPS58219114A | 1983-12-20 | |||
| EP0054304A1 | 1982-06-23 |
Attorney, Agent or Firm:
NTD PATENT & TRADEMARK AGENCY LIMITED BEIJING OFFICE (Block A Investment Plaza, 27 Jinrongdajie, Xicheng District, Beijing 0, CN)
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