Title:
結晶イミペネム製造方法
Document Type and Number:
Japanese Patent JP2005509037
Kind Code:
A
Abstract:
The present invention relates to a cost effective and industrially advantageous process for the preparation of imipenem of high purity, which comprises dissolving crude imipenem in warm water to which some base has been added to obtain a solution, subjecting the resultant solution to activated carbon treatment, and adding an organic solvent to precipitate imipenem monohydrate as a crystalline product.
Inventors:
Rye, Bishwa, Prakash
Tewari, Nila
Kumar, Yatendra
Tewari, Nila
Kumar, Yatendra
Application Number:
JP2003544051A
Publication Date:
April 07, 2005
Filing Date:
November 18, 2002
Export Citation:
Assignee:
Ranbaxy Laboratories Limited
International Classes:
C07D477/20; C07D477/00; (IPC1-7): C07D477/00
Attorney, Agent or Firm:
Takenori Hiroe
Kenichi Uno
Takanobu Takekawa
High Shinichi Ara
Nakamura Shigenori
Kenichi Uno
Takanobu Takekawa
High Shinichi Ara
Nakamura Shigenori