EP2069329A4 - A process for the preparation of benzimidazole derivatives and their salts - Google Patents

A process for the preparation of benzimidazole derivatives and their salts

Info

Publication number
EP2069329A4
EP2069329A4 EP07843888A EP07843888A EP2069329A4 EP 2069329 A4 EP2069329 A4 EP 2069329A4 EP 07843888 A EP07843888 A EP 07843888A EP 07843888 A EP07843888 A EP 07843888A EP 2069329 A4 EP2069329 A4 EP 2069329A4
Authority
EP
European Patent Office
Prior art keywords
salts
preparation
benzimidazole derivatives
benzimidazole
derivatives
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Withdrawn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
EP07843888A
Other languages
German (de)
French (fr)
Other versions
EP2069329A2 (en
Inventor
Vijaya Kumar Kotagiri
Pravinchandra Jayant Vankawala
Uday Kumar Neelam
Sudhakar Reddy Baddam
Ravi Ram Chandrashekar Elati
Naveen Kumar Kolla
Jaydeepkumar Lilakar Dayabhai
Ramchandra Reddy Pingili
Srinivas Gangula
Vijaykumar Reddy Jonnalagadda
Pallvi Thakur
Anitha Neredla
Venkata Rambabu Kammili
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 EP2069329A2 publication Critical patent/EP2069329A2/en
Publication of EP2069329A4 publication Critical patent/EP2069329A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/04Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
EP07843888A 2006-10-06 2007-10-05 A process for the preparation of benzimidazole derivatives and their salts Withdrawn EP2069329A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN1856CH2006 2006-10-06
US88502007P 2007-01-16 2007-01-16
PCT/US2007/080544 WO2008045777A2 (en) 2006-10-06 2007-10-05 A process for the preparation of benzimidazole derivatives and their salts

Publications (2)

Publication Number Publication Date
EP2069329A2 EP2069329A2 (en) 2009-06-17
EP2069329A4 true EP2069329A4 (en) 2010-04-07

Family

ID=39283526

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07843888A Withdrawn EP2069329A4 (en) 2006-10-06 2007-10-05 A process for the preparation of benzimidazole derivatives and their salts

Country Status (2)

Country Link
EP (1) EP2069329A4 (en)
WO (1) WO2008045777A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009010937A1 (en) * 2007-07-17 2009-01-22 Ranbaxy Laboratories Limited Process for the preparation op pantoprazole sodium and pantoprazole sodium sesquihydrate
WO2010146428A1 (en) * 2009-06-15 2010-12-23 Orchid Chemicals And Pharmaceuticals Ltd. An improved process for the preparation of rabeprazole
GR1006835B (en) * 2009-07-15 2010-07-05 Ανωνυμος Φαρμακευτικη-Χημικη Βιομηχανια Medichrom Α.Ε., Synthetic method for 5-(difluoromethoxy)-2-[[(3,4-dimethoxy-2-pyridinyl)methyl]sulfinyl]-1h-benzimidazole and the sesquihydrate of the sodium salt thereof in crystalline form and the application of apharmaceutical formulation thereof.
CN103833731B (en) * 2011-12-01 2016-03-23 四川大学 The novel preparation method of chiral sulfoxide compounds and salt thereof and crystal formation
CN103675854B (en) * 2012-09-21 2016-01-06 郑州威科姆科技股份有限公司 Based on the hyperchannel time service approximating method of big-dipper satellite
CN102952119B (en) * 2012-11-01 2014-05-07 江苏奥赛康药业股份有限公司 Sodium rabeprazole preparation method
CN103232437B (en) * 2013-05-08 2016-01-20 山东罗欣药业集团股份有限公司 The preparation method of rabeprazole sodium crystal type compound
CN103232436B (en) * 2013-05-08 2015-04-22 山东罗欣药业集团股份有限公司 Preparation method of lansoprazole crystal type compound
ITUB20152959A1 (en) * 2015-08-06 2017-02-06 Univ Degli Studi G Dannunzio Chieti Pescara Salts of compounds with benzimidazolic structure, their uses and preparation process.
CN107964005A (en) * 2017-11-10 2018-04-27 扬子江药业集团江苏海慈生物药业有限公司 A kind of preparation method of Lansoprazole
CN114609268B (en) * 2022-02-10 2024-04-16 南京海纳医药科技股份有限公司 Detection method for related substances in sodium rabeprazole bulk drug

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050075370A1 (en) * 2003-06-10 2005-04-07 Viviana Braude Process for preparing 2-[(pyridinyl)methyl]sulfinyl-substituted benzimidazoles and novel chlorinated derivatives of pantoprazole

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1409478B1 (en) * 2001-07-16 2006-03-29 Janssen Pharmaceutica N.V. Improved process for preparing benzimidazole-type compounds
US7221379B2 (en) * 2003-05-14 2007-05-22 Pixar Integrated object squash and stretch method and apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050075370A1 (en) * 2003-06-10 2005-04-07 Viviana Braude Process for preparing 2-[(pyridinyl)methyl]sulfinyl-substituted benzimidazoles and novel chlorinated derivatives of pantoprazole

Also Published As

Publication number Publication date
WO2008045777A2 (en) 2008-04-17
WO2008045777A3 (en) 2008-06-12
EP2069329A2 (en) 2009-06-17

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