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    Publication numberEP1680383 A2
    Publication typeApplication
    Application numberEP20040790438
    PCT numberPCT/EP2004/011582
    Publication dateJul 19, 2006
    Filing dateOct 15, 2004
    Priority dateOct 24, 2003
    Also published asCA2542052A1, CN101035748A, DE10349983A1, US7271296, US20070004925, WO2005042446A2, WO2005042446A3
    Publication number04790438, 04790438.8, 2004790438, EP 1680383 A2, EP 1680383A2, EP-A2-1680383, EP04790438, EP1680383 A2, EP1680383A2, EP20040790438, PCT/2004/11582, PCT/EP/2004/011582, PCT/EP/2004/11582, PCT/EP/4/011582, PCT/EP/4/11582, PCT/EP2004/011582, PCT/EP2004/11582, PCT/EP2004011582, PCT/EP200411582, PCT/EP4/011582, PCT/EP4/11582, PCT/EP4011582, PCT/EP411582
    InventorsHansgeorg Ernst, Klaus Henrich
    ApplicantBasf Aktiengesellschaft
    Export CitationBiBTeX, EndNote, RefMan
    Non-Patent Citations (1), Classifications (14), Legal Events (9)
    External Links: Espacenet, EP Register
    Procede pour produire du phytofluene
    EP 1680383 A2 (text from WO2005042446A2) 
    Abstract  
    L'invention concerne un procédé servant à produire du phytofluène de formule (I). Selon ce procédé, a) on condense en un acétal de formule (IV) un sel de phosphonium de formule (II) avec un aldéhyde de formule (III) dans une réaction de Wittig ; b) on soumet le produit de condensation de formule (IV) à une hydrolyse d'acétal à catalyse acide pour obtenir l'aldéhyde de formule (V) et c) on condense l'aldéhyde de formule (V) en phytofluène lors d'une autre réaction de Wittig avec un sel de phosphonium de formule (VI). Les restes R1, R2 et R7 ainsi que X- et Y- ont la signification indiquée dans la description.
    Description  available in German
    Claims    available in German
    Non-Patent Citations
    Reference
    1 *See references of WO2005042446A2
    * Cited by examiner
    Classifications
    International ClassificationC07C45/51, C07C45/60, C07C45/59, C07C11/21, C07C47/21, C07C1/34
    Cooperative ClassificationC07C45/60, C07C1/34, C07C45/515, C07C45/59
    European ClassificationC07C1/34, C07C45/51B6, C07C45/59, C07C45/60
    Legal Events
    DateCodeEventDescription
    Jul 19, 2006AKDesignated contracting states:
    Kind code of ref document: A2
    Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
    Jul 19, 2006AXRequest for extension of the european patent to
    Countries concerned: ALHRLTLVMK
    Jan 31, 2007DAXRequest for extension of the european patent (to any country) deleted
    Oct 31, 2007RBVDesignated contracting states (correction):
    Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
    Oct 31, 200717PRequest for examination filed
    Effective date: 20070917
    Nov 7, 2007RIC1Classification (correction)
    Ipc: C07C 11/21 20060101AFI20070928BHEP
    Feb 6, 200817QFirst examination report
    Effective date: 20080104
    Mar 5, 2008RAP1Transfer of rights of an ep application
    Owner name: BASF SE
    Nov 5, 200818DDeemed to be withdrawn
    Effective date: 20080501