EP1778650A4 - Process for preparing candesartan cilexetil - Google Patents

Process for preparing candesartan cilexetil

Info

Publication number
EP1778650A4
EP1778650A4 EP05778344A EP05778344A EP1778650A4 EP 1778650 A4 EP1778650 A4 EP 1778650A4 EP 05778344 A EP05778344 A EP 05778344A EP 05778344 A EP05778344 A EP 05778344A EP 1778650 A4 EP1778650 A4 EP 1778650A4
Authority
EP
European Patent Office
Prior art keywords
candesartan cilexetil
preparing candesartan
preparing
cilexetil
candesartan
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.)
Withdrawn
Application number
EP05778344A
Other languages
German (de)
French (fr)
Other versions
EP1778650A1 (en
Inventor
Sundaram Venkataraman
Padi Pratap Reddy
Gade Srinivas Reddy
Sanikommu S Reddy
Murthy Harikeerthi Narasimha
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.)
Dr Reddys Laboratories Ltd
Dr Reddys Laboratories Inc
Original Assignee
Dr Reddys Laboratories Ltd
Dr Reddys Laboratories Inc
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 Dr Reddys Laboratories Ltd, Dr Reddys Laboratories Inc filed Critical Dr Reddys Laboratories Ltd
Publication of EP1778650A1 publication Critical patent/EP1778650A1/en
Publication of EP1778650A4 publication Critical patent/EP1778650A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing aromatic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
EP05778344A 2004-07-28 2005-07-28 Process for preparing candesartan cilexetil Withdrawn EP1778650A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59180104P 2004-07-28 2004-07-28
PCT/US2005/026814 WO2006015134A1 (en) 2004-07-28 2005-07-28 Process for preparing candesartan cilexetil

Publications (2)

Publication Number Publication Date
EP1778650A1 EP1778650A1 (en) 2007-05-02
EP1778650A4 true EP1778650A4 (en) 2009-12-02

Family

ID=35787454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05778344A Withdrawn EP1778650A4 (en) 2004-07-28 2005-07-28 Process for preparing candesartan cilexetil

Country Status (2)

Country Link
EP (1) EP1778650A4 (en)
WO (1) WO2006015134A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008044244A2 (en) * 2006-10-10 2008-04-17 Matrix Laboratories Ltd One pot process for the preparation of candesartan
WO2009157001A2 (en) * 2008-06-24 2009-12-30 Hetero Research Foundation Process for preparation of candesartan cilexetil
CN102766138B (en) * 2012-07-23 2017-10-24 温州市人民医院 A kind of preparation method of Azilsartan
CN103922948A (en) * 2014-05-04 2014-07-16 青岛雪洁助剂有限公司 Preparation method of 2-amino-3-nitrobenzoic acid
CN104876877B (en) * 2015-06-24 2018-03-09 峨眉山宏昇药业股份有限公司 A kind of synthetic method of the carboxylate methyl ester of 2 ethoxybenzoimidazole 7
KR20200009001A (en) 2017-05-17 2020-01-29 가부시끼가이샤 도꾸야마 Process for preparing diamino benzene compound
CN107089972B (en) * 2017-06-23 2021-05-18 浙江华海药业股份有限公司 Preparation method of candesartan cilexetil
JPWO2020004043A1 (en) 2018-06-28 2021-08-05 株式会社トクヤマ Method for producing α-azidaniline derivative or α, α'-diazide derivative
CN116332913A (en) * 2021-12-22 2023-06-27 浙江华海药业股份有限公司 Preparation method of high-purity losartan

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6608210B2 (en) * 1990-04-27 2003-08-19 Takeda Chemical Industries, Ltd. Benzimidazole derivatives, their production and use

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6608210B2 (en) * 1990-04-27 2003-08-19 Takeda Chemical Industries, Ltd. Benzimidazole derivatives, their production and use

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CAO RIHUI ET AL: "Synthesis of candesartan cilexetil", ZHONGGUO YIYAO GONGYE ZAZHI - CHINESE JOURNAL OF PHARMACEUTICALS, SHANGHAI YIYAO GONGYE YANJIUYUAN, SHANGHAI, CN, vol. 34, no. 9, 1 January 2003 (2003-01-01), pages 425 - 427, XP009104426, ISSN: 1001-8255 *
See also references of WO2006015134A1 *

Also Published As

Publication number Publication date
WO2006015134A1 (en) 2006-02-09
EP1778650A1 (en) 2007-05-02

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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