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    • 6. 发明专利
    • NUEVAS DISPERSIONES DE POLITIOFENO.
    • ES2240731T3
    • 2005-10-16
    • ES02722144
    • 2002-02-27
    • BAYER AG
    • JONAS FRIEDRICHKIRCHMEYER STEPHAN
    • H05B33/10C08G61/12C08J3/09H01B1/12H01G9/032H01L51/50H01M10/40
    • Procedimiento para la obtención de dispersiones o soluciones, que contienen complejos iónicos de politiofeno +An-, en disolventes orgánicos, caracterizado porque a) se añade un disolvente orgánico miscible con agua o una mezcla de disolventes orgánicos, miscibles con agua, a una dispersión o solución acuosa de complejos iónicos de politiofeno+ An-, significando politiofeno+ polímeros que contengan unidades recurrentes cargadas positivamente, al menos en parte, de la fórmula (I), en la que Y significa -(CH2)m-CR1R2(CH2)n- o un resto 1, 2- cicloalquileno con 3 a 8 átomos de carbono, substituido en caso dado y R1 y R2 significan, independientemente entre sí, hidrógeno, hidroximetilo, un resto alquilo con 1 a 20 átomos de carbono, en caso dado substituido o un resto arilo con 6 a 14 átomos de carbono, en caso dado substituido, y m, nson iguales o diferentes y significan un número desde 0 hasta 3, y donde An- significa un anión de un poliácido orgánico, o donde politiofeno+ An- significa polímeros que portan unidades recurrentes de la fórmula (II), en la que los anillos de tiofeno portan una carga positiva, al menos en parte y en la que Z significa -(CH2)m-CR3R4(CH2)n-, R3 significa hidrógeno o -(CH2)s-O-(CH2)p-SO3-M+, R4 significa -(CH2)s-O-(CH2)p-SO3-M+, m, nsignifica un número entero desde 0 hasta 3, M+ significa un catión, s significa un número entero desde 0 hasta 10, p significa un número entero desde 1 hasta 18 y b) se elimina agua de las mezclas resultantes.
    • 8. 发明专利
    • DK1142888T3
    • 2004-12-06
    • DK01106444
    • 2001-03-23
    • BAYER AG
    • RAUCHSCHWALBE GUENTERJONAS FRIEDRICH
    • C07D495/06C07D333/32C07D495/04
    • In the preparation of 3,4-dialkoxy- or 3,4-alkylenedioxy-thiophenes (I) or (II) by decarboxylation of the corresponding 3,4-dialkoxy- or 3,4-alkylene-dioxo-2,5-thiophene-dicarboxylic acids (III) or (IV), (i) decarboxylation is carried out in a solvent or diluent with a higher boiling point than (I) or (II), which is not an aromatic amine; and (ii) the end product is separated from this solvent or diluent by distillation. In the preparation of 3,4-dialkoxy- or 3,4-alkylenedioxy-thiophenes of formula (I) or (II) by decarboxylation of the corresponding 3,4-dialkoxy- or 3,4-alkylene-dioxo-2,5-thiophene-dicarboxylic acids of formula (III) or (IV): (i) decarboxylation is carried out in a solvent or diluent with a higher boiling point than (I) or (II), which is not an aromatic amine; and (ii) the end product is separated from this solvent or diluent by distillation. R , R = linear or branched 1-15 carbon (C) alkyl; X = optionally substituted -(CH2)n-; n = 1-12.
    • 9. 发明专利
    • DE50103504D1
    • 2004-10-14
    • DE50103504
    • 2001-03-23
    • BAYER AG
    • RAUCHSCHWALBE GUENTERJONAS FRIEDRICH
    • C07D495/06C07D333/32C07D495/04
    • In the preparation of 3,4-dialkoxy- or 3,4-alkylenedioxy-thiophenes (I) or (II) by decarboxylation of the corresponding 3,4-dialkoxy- or 3,4-alkylene-dioxo-2,5-thiophene-dicarboxylic acids (III) or (IV), (i) decarboxylation is carried out in a solvent or diluent with a higher boiling point than (I) or (II), which is not an aromatic amine; and (ii) the end product is separated from this solvent or diluent by distillation. In the preparation of 3,4-dialkoxy- or 3,4-alkylenedioxy-thiophenes of formula (I) or (II) by decarboxylation of the corresponding 3,4-dialkoxy- or 3,4-alkylene-dioxo-2,5-thiophene-dicarboxylic acids of formula (III) or (IV): (i) decarboxylation is carried out in a solvent or diluent with a higher boiling point than (I) or (II), which is not an aromatic amine; and (ii) the end product is separated from this solvent or diluent by distillation. R , R = linear or branched 1-15 carbon (C) alkyl; X = optionally substituted -(CH2)n-; n = 1-12.
    • 10. 发明专利
    • DE10016723A1
    • 2001-10-11
    • DE10016723
    • 2000-04-04
    • BAYER AG
    • RAUCHSCHWALBE GUENTERJONAS FRIEDRICH
    • C07D495/06C07D333/32C07D495/04C07D409/04
    • In the preparation of 3,4-dialkoxy- or 3,4-alkylenedioxy-thiophenes (I) or (II) by decarboxylation of the corresponding 3,4-dialkoxy- or 3,4-alkylene-dioxo-2,5-thiophene-dicarboxylic acids (III) or (IV), (i) decarboxylation is carried out in a solvent or diluent with a higher boiling point than (I) or (II), which is not an aromatic amine; and (ii) the end product is separated from this solvent or diluent by distillation. In the preparation of 3,4-dialkoxy- or 3,4-alkylenedioxy-thiophenes of formula (I) or (II) by decarboxylation of the corresponding 3,4-dialkoxy- or 3,4-alkylene-dioxo-2,5-thiophene-dicarboxylic acids of formula (III) or (IV): (i) decarboxylation is carried out in a solvent or diluent with a higher boiling point than (I) or (II), which is not an aromatic amine; and (ii) the end product is separated from this solvent or diluent by distillation. R , R = linear or branched 1-15 carbon (C) alkyl; X = optionally substituted -(CH2)n-; n = 1-12.