EP2365966A4 - PROCESS FOR REMOVING THE TRIPHENYLMETHANE GRIP - Google Patents

PROCESS FOR REMOVING THE TRIPHENYLMETHANE GRIP

Info

Publication number
EP2365966A4
EP2365966A4 EP08878772A EP08878772A EP2365966A4 EP 2365966 A4 EP2365966 A4 EP 2365966A4 EP 08878772 A EP08878772 A EP 08878772A EP 08878772 A EP08878772 A EP 08878772A EP 2365966 A4 EP2365966 A4 EP 2365966A4
Authority
EP
European Patent Office
Prior art keywords
triphenylmethane
protection group
protection
group
triphenylmethane protection
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Withdrawn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
EP08878772A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2365966A1 (en
Inventor
Jae Won Kim
Young Gwan Cha
Hyung Chul Ryu
Sun Joo Kim
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.)
PHARMACOSTECH CO Ltd
Original Assignee
PHARMACOSTECH CO 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 PHARMACOSTECH CO Ltd filed Critical PHARMACOSTECH CO Ltd
Publication of EP2365966A1 publication Critical patent/EP2365966A1/en
Publication of EP2365966A4 publication Critical patent/EP2365966A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04—Five-membered rings
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
EP08878772A 2008-12-12 2008-12-12 PROCESS FOR REMOVING THE TRIPHENYLMETHANE GRIP Withdrawn EP2365966A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2008/007364 WO2010067913A1 (en) 2008-12-12 2008-12-12 Method of removing the triphenylmethane protection group

Publications (2)

Publication Number Publication Date
EP2365966A1 EP2365966A1 (en) 2011-09-21
EP2365966A4 true EP2365966A4 (en) 2012-05-09

Family

ID=42242892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08878772A Withdrawn EP2365966A4 (en) 2008-12-12 2008-12-12 PROCESS FOR REMOVING THE TRIPHENYLMETHANE GRIP

Country Status (3)

Country Link
EP (1) EP2365966A4 (ja)
JP (1) JP5575783B2 (ja)
WO (1) WO2010067913A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2014001298A (es) 2011-08-05 2014-09-01 Lupin Ltd Procedimiento para la preparacion de olmesartan medoxomilo.
CN104262332A (zh) * 2014-09-16 2015-01-07 上海信谊百路达药业有限公司 一种奥美沙坦酯的制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006097121A1 (en) * 2005-03-16 2006-09-21 Ulkar Kimya Sanayii Ve Ticaret A.S. Method for producing biphenyl-tetrazole compounds
WO2007042161A1 (en) * 2005-10-07 2007-04-19 Krka, D.D. Novo Mesto Process for the preparation of candesartan cilexetil
EP1988090A1 (en) * 2006-02-20 2008-11-05 Shanghai Allist Pharmaceutical., Inc. Imidazol-5-carboxylic acid derivatives, preparation methods and use therrof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006097121A1 (en) * 2005-03-16 2006-09-21 Ulkar Kimya Sanayii Ve Ticaret A.S. Method for producing biphenyl-tetrazole compounds
WO2007042161A1 (en) * 2005-10-07 2007-04-19 Krka, D.D. Novo Mesto Process for the preparation of candesartan cilexetil
EP1988090A1 (en) * 2006-02-20 2008-11-05 Shanghai Allist Pharmaceutical., Inc. Imidazol-5-carboxylic acid derivatives, preparation methods and use therrof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KHALAFI-NEZHAD ET AL: "A catalytic method for chemoselective detritylation of 5'-tritylated nucleosides under mild and heterogeneous conditions using silica sulfuric acid as a recyclable catalyst", TETRAHEDRON LETTERS, ELSEVIER, AMSTERDAM, NL, vol. 48, no. 30, 27 June 2007 (2007-06-27), pages 5219 - 5222, XP022132312, ISSN: 0040-4039, DOI: 10.1016/J.TETLET.2007.05.153 *
See also references of WO2010067913A1 *

Also Published As

Publication number Publication date
WO2010067913A1 (en) 2010-06-17
EP2365966A1 (en) 2011-09-21
JP2012506902A (ja) 2012-03-22
JP5575783B2 (ja) 2014-08-20

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Legal Events

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

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A4 Supplementary search report drawn up and despatched

Effective date: 20120405

RIC1 Information provided on ipc code assigned before grant

Ipc: C07D 257/02 20060101ALI20120330BHEP

Ipc: C07D 257/04 20060101AFI20120330BHEP

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Effective date: 20130204

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Effective date: 20151215