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WO2002060866A3 - Preparation of pure 3-alkoxymethyl cephalosporins. - Google Patents

Preparation of pure 3-alkoxymethyl cephalosporins. Download PDF

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Publication number
WO2002060866A3
WO2002060866A3 PCT/IB2002/000264 IB0200264W WO02060866A3 WO 2002060866 A3 WO2002060866 A3 WO 2002060866A3 IB 0200264 W IB0200264 W IB 0200264W WO 02060866 A3 WO02060866 A3 WO 02060866A3
Authority
WO
WIPO (PCT)
Prior art keywords
pure
preparation
alkoxymethyl
cephalosporins
cephem
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2002/000264
Other languages
French (fr)
Other versions
WO2002060866A2 (en
Inventor
Yatendra Kumar
Mohan Prasad
Ashok Prasad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ranbaxy Laboratories Ltd
Original Assignee
Ranbaxy Laboratories Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ranbaxy Laboratories Ltd filed Critical Ranbaxy Laboratories Ltd
Priority to AU2002226616A priority Critical patent/AU2002226616A1/en
Publication of WO2002060866A2 publication Critical patent/WO2002060866A2/en
Anticipated expiration legal-status Critical
Publication of WO2002060866A3 publication Critical patent/WO2002060866A3/en
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)

Abstract

The present invention relates to an improved and industrially advantageous process for the preparation of pure 7-amino-3-alkoxymethyl-3-cephem-4-carboxylic acids, and salts thereof. In particular, the present invention relates to a process for the preparation of pure 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid (7-AMCA) and salts thereof.
PCT/IB2002/000264 2001-01-30 2002-01-29 Preparation of pure 3-alkoxymethyl cephalosporins. Ceased WO2002060866A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002226616A AU2002226616A1 (en) 2001-01-30 2002-01-29 Preparation of pure 3-alkoxymethyl cephalosporins.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN071/DEL/2001 2001-01-30
IN71DE2001 IN192344B (en) 2001-01-30 2001-01-30

Publications (2)

Publication Number Publication Date
WO2002060866A2 WO2002060866A2 (en) 2002-08-08
WO2002060866A3 true WO2002060866A3 (en) 2006-04-13

Family

ID=11097024

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2002/000264 Ceased WO2002060866A2 (en) 2001-01-30 2002-01-29 Preparation of pure 3-alkoxymethyl cephalosporins.

Country Status (3)

Country Link
AU (1) AU2002226616A1 (en)
IN (1) IN192344B (en)
WO (1) WO2002060866A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108530468A (en) * 2018-03-21 2018-09-14 山东睿鹰先锋制药有限公司 A kind of Cefpodoxime Proxetil impurity and its preparation method and application
CN112480144A (en) * 2020-12-07 2021-03-12 湖北凌晟药业有限公司 Preparation method of 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5451675A (en) * 1990-11-07 1995-09-19 Sankyo Company, Limited Process for the preparatuon of 3-alkoxymethyl cephalosporin derivatives
WO2001027117A1 (en) * 1999-10-13 2001-04-19 Hanmi Pharm. Co., Ltd. Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5451675A (en) * 1990-11-07 1995-09-19 Sankyo Company, Limited Process for the preparatuon of 3-alkoxymethyl cephalosporin derivatives
WO2001027117A1 (en) * 1999-10-13 2001-04-19 Hanmi Pharm. Co., Ltd. Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid

Also Published As

Publication number Publication date
WO2002060866A2 (en) 2002-08-08
AU2002226616A1 (en) 2002-08-12
AU2002226616A8 (en) 2006-11-02
IN192344B (en) 2004-04-10

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