HRP20060119A2 - A method of removing the triphenylmethane protecting group - Google Patents

A method of removing the triphenylmethane protecting group Download PDF

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Publication number
HRP20060119A2
HRP20060119A2 HR20060119A HRP20060119A HRP20060119A2 HR P20060119 A2 HRP20060119 A2 HR P20060119A2 HR 20060119 A HR20060119 A HR 20060119A HR P20060119 A HRP20060119 A HR P20060119A HR P20060119 A2 HRP20060119 A2 HR P20060119A2
Authority
HR
Croatia
Prior art keywords
formula
image
trityl
biphenyl
methyl
Prior art date
Application number
HR20060119A
Other languages
English (en)
Croatian (hr)
Inventor
Radl Stanislav
Stach Jan
Klecan Ondrej
Original Assignee
Zentiva
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
Priority claimed from CZ20032319A external-priority patent/CZ297016B6/cs
Priority claimed from CZ20040733A external-priority patent/CZ298329B6/cs
Application filed by Zentiva filed Critical Zentiva
Publication of HRP20060119A2 publication Critical patent/HRP20060119A2/hr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D257/00Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04Five-membered rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D403/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02Heterocyclic 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
    • C07D403/10Heterocyclic 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Dicing (AREA)
  • Peptides Or Proteins (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
HR20060119A 2003-08-27 2006-03-24 A method of removing the triphenylmethane protecting group HRP20060119A2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CZ20032319A CZ297016B6 (cs) 2003-08-27 2003-08-27 Zpusob odstranování trifenylmethanové chránicí skupiny z 1-trityl-5-(4'-subst. aminomethyl-1,1' -bifenyl-2-yl)-1H-tetrazolu a zpusob výroby draselné soli losartanu, irbesartanu a valsartanu s jeho pouzitím
CZ20040733A CZ298329B6 (cs) 2004-06-16 2004-06-16 Zpusob výroby 1-(cyklohexyloxykarbonyloxy)ethyl-2-ethoxy-1-[[2´-(1H-tetrazol-5-yl)bifenyl-4-yl]methyl]benzimidazol-7-karboxylátu (candesartan cilexetilu)
PCT/CZ2004/000051 WO2005021535A2 (en) 2003-08-27 2004-08-26 A method of removing the triphenylmethane protecting group

Publications (1)

Publication Number Publication Date
HRP20060119A2 true HRP20060119A2 (en) 2006-05-31

Family

ID=34276338

Family Applications (1)

Application Number Title Priority Date Filing Date
HR20060119A HRP20060119A2 (en) 2003-08-27 2006-03-24 A method of removing the triphenylmethane protecting group

Country Status (13)

Country Link
US (1) US20060287537A1 (sr)
EP (1) EP1658281B1 (sr)
AT (1) ATE482950T1 (sr)
CA (1) CA2536781A1 (sr)
DE (1) DE602004029373D1 (sr)
EA (1) EA011507B1 (sr)
ES (1) ES2348300T3 (sr)
HR (1) HRP20060119A2 (sr)
PL (2) PL379886A1 (sr)
PT (1) PT1658281E (sr)
RS (1) RS20060125A (sr)
SK (1) SK50142006A3 (sr)
WO (1) WO2005021535A2 (sr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7692023B2 (en) 2004-02-11 2010-04-06 Teva Pharmaceutical Industries Ltd. Candesartan cilexetil polymorphs
EP1812423A1 (en) * 2004-11-11 2007-08-01 LEK Pharmaceuticals D.D. Process for the synthesis of tetrazoles
EP1661891A1 (en) * 2004-11-30 2006-05-31 KRKA, D.D., Novo Mesto A process for the synthesis of valsartan
SI22127A (sl) 2005-10-07 2007-04-30 Krka, Tovarna Zdravil, D.D., Novo Mesto Postopek za pripravo kandesartan cileksetila
CZ299902B6 (cs) * 2005-10-27 2008-12-29 Zentiva, A. S Zpusob odstranování trifenylmethanové chránicí skupiny u prekurzoru antihypertenzních léciv
WO2008018843A1 (en) * 2006-08-08 2008-02-14 Ulkar Kimya Sanayi Ve Ticaret As Process for producing useful salts form of biphenyl-tetrazole compounds
WO2009125416A2 (en) 2008-04-07 2009-10-15 Hetero Research Foundation Process for preparation of valsartan intermediate
WO2010046804A2 (en) * 2008-10-21 2010-04-29 Alembic Limited A process for preparation of losartan potassium form i
EA201171413A1 (ru) 2009-05-20 2012-09-28 Ранбакси Лабораториз Лимитед Способ получения олмесартана медоксомила
WO2011080684A1 (en) 2009-12-31 2011-07-07 Ranbaxy Laboratories Limited Process for the preparation of candesartan cilexetil
WO2011092666A1 (en) 2010-01-29 2011-08-04 Ranbaxy Laboratories Limited An improved process for the preparation of candesartan cilexetil, polymorphic forms of n-trityl candesartan and their uses thereof
CN103012382B (zh) * 2012-12-05 2016-10-05 迪沙药业集团有限公司 一种奥美沙坦酯的制备方法
SG11201702483QA (en) * 2014-09-29 2017-04-27 Scripps Research Inst Sphingosine-1-phospate receptor modulators for treatment of cardiopulmonary disorders
US11327065B1 (en) * 2021-08-27 2022-05-10 Jubilant Generics Limited Preparation of angiotensin receptor blockers or pharmaceutically acceptable salts thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19675036I2 (de) * 1990-02-19 2004-10-21 Novartis Ag Acylverbindungen.
US5270317A (en) * 1990-03-20 1993-12-14 Elf Sanofi N-substituted heterocyclic derivatives, their preparation and the pharmaceutical compositions in which they are present
US5196444A (en) * 1990-04-27 1993-03-23 Takeda Chemical Industries, Ltd. 1-(cyclohexyloxycarbonyloxy)ethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-carboxylate and compositions and methods of pharmaceutical use thereof
AT395853B (de) * 1991-01-31 1993-03-25 Chem Pharm Forsch Gmbh Neue imidazolderivate, verfahren zu ihrer herstellung und ihre verwendung
US5281604A (en) * 1993-04-23 1994-01-25 American Cyanamid Company Angiotensin II receptor blocking 2,3,6-substituted quinazolinones
SI21236A (sl) * 2001-05-18 2003-12-31 Aurobindo Pharma Limited Postopek kristalizacije losartan kalija

Also Published As

Publication number Publication date
CA2536781A1 (en) 2005-03-10
EA011507B1 (ru) 2009-04-28
PT1658281E (pt) 2010-10-12
EP1658281A2 (en) 2006-05-24
SK50142006A3 (sk) 2006-05-04
ES2348300T3 (es) 2010-12-02
EP1658281B1 (en) 2010-09-29
RS20060125A (en) 2008-06-05
US20060287537A1 (en) 2006-12-21
WO2005021535A2 (en) 2005-03-10
DE602004029373D1 (de) 2010-11-11
ATE482950T1 (de) 2010-10-15
PL1658281T3 (pl) 2010-12-31
WO2005021535A3 (en) 2005-06-09
PL379886A1 (pl) 2006-11-27
EA200600079A1 (ru) 2006-08-25

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