Invention Grant
- Patent Title: Cefpodixime proxetil
- Patent Title (中): 头孢泊肟酯
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Application No.: US10469330Application Date: 2002-02-27
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Publication No.: US07045618B2Publication Date: 2006-05-16
- Inventor: Yatendra Kumar , Kaptan Singh , Rakesh Kumar Arora
- Applicant: Yatendra Kumar , Kaptan Singh , Rakesh Kumar Arora
- Applicant Address: IN Haryana
- Assignee: Ranbaxy Laboratories Limited
- Current Assignee: Ranbaxy Laboratories Limited
- Current Assignee Address: IN Haryana
- Agent Jayadeep R. Deshmukh, Esq.; George E. Heibel, Esq.
- Priority: IN191/DEL/2001 20010227
- International Application: PCT/IB02/00588 WO 20020227
- International Announcement: WO02/068429 WO 20020906
- Main IPC: C07D501/34
- IPC: C07D501/34

Abstract:
The present invention relates to an improved and cost effective process for the industrial manufacture of cefpodoxime proxetil. More specifically, the present invention relates to the preparation of cefpodoxime proxetil of high purity and yield. The process comprises a) dissolving impure cefpodoxime proxetil or adding a solution containing cefpodoxime proxetil into a polar organic solvent or mixture(s) thereof, optionally reducing the solvent by concentration, and adding into a non-polar organic solvent or mixture(s) thereof to precipitate the solid; and b) dissolving the solid obtained from the above step into water-miscible polar organic solvent, optionally reducing the solvent by concentration, adding it into water to obtain the pure cefpodoxime proxetil.
Public/Granted literature
- US20040092734A1 Cefpodixime proxetil Public/Granted day:2004-05-13
Information query
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