WO2009156938A3 - A cost effective process for preparing 6,9-imino ether - Google Patents

A cost effective process for preparing 6,9-imino ether Download PDF

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Publication number
WO2009156938A3
WO2009156938A3 PCT/IB2009/052666 IB2009052666W WO2009156938A3 WO 2009156938 A3 WO2009156938 A3 WO 2009156938A3 IB 2009052666 W IB2009052666 W IB 2009052666W WO 2009156938 A3 WO2009156938 A3 WO 2009156938A3
Authority
WO
WIPO (PCT)
Prior art keywords
preparing
cost effective
imino ether
effective process
preparation
Prior art date
Application number
PCT/IB2009/052666
Other languages
French (fr)
Other versions
WO2009156938A2 (en
Inventor
Keshav Deo
Ashok Prasad
Mitesh Gandhi
Dattatraya Patil
Original Assignee
Alembic Limited
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 Alembic Limited filed Critical Alembic Limited
Publication of WO2009156938A2 publication Critical patent/WO2009156938A2/en
Publication of WO2009156938A3 publication Critical patent/WO2009156938A3/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H17/00—Compounds containing heterocyclic radicals directly attached to hetero atoms of saccharide radicals
    • C07H17/04—Heterocyclic radicals containing only oxygen as ring hetero atoms
    • C07H17/08—Hetero rings containing eight or more ring members, e.g. erythromycins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)

Abstract

The present invention relates to an improved process for the preparation of 6,9-imino ether of formula (I) an intermediate used in preparation of Azithromycin. The present invention further provides a process for preparation of Azithromycin.
PCT/IB2009/052666 2008-06-24 2009-06-22 A cost effective process for preparing 6,9-imino ether WO2009156938A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1334MU2008 2008-06-24
IN1334/MUM/2008 2008-06-24

Publications (2)

Publication Number Publication Date
WO2009156938A2 WO2009156938A2 (en) 2009-12-30
WO2009156938A3 true WO2009156938A3 (en) 2010-12-02

Family

ID=41445045

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2009/052666 WO2009156938A2 (en) 2008-06-24 2009-06-22 A cost effective process for preparing 6,9-imino ether

Country Status (1)

Country Link
WO (1) WO2009156938A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105481913B (en) * 2014-09-19 2019-01-08 宁夏启元药业有限公司 A method of synthesis azithromycin

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007015265A2 (en) * 2005-05-24 2007-02-08 Kopran Research Laboratories Ltd A process for preparing 6,9-imino ether

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007015265A2 (en) * 2005-05-24 2007-02-08 Kopran Research Laboratories Ltd A process for preparing 6,9-imino ether

Also Published As

Publication number Publication date
WO2009156938A2 (en) 2009-12-30

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