Derivatives of 6,8-difluoro-7-hydroxycoumarin
    6.
    发明授权
    Derivatives of 6,8-difluoro-7-hydroxycoumarin 失效
    6,8-二氟-7-羟基香豆素的衍生物

    公开(公告)号:US5830912A

    公开(公告)日:1998-11-03

    申请号:US749684

    申请日:1996-11-15

    摘要: The present invention comprises 6,8-difluoro-7-hydroxycoumarins and derivatives of 6,8-difluoro-7-hydroxycoumarins, including reactive dyes, dye-conjugates and enzyme substrates. These fluorine-substituted fluorescent dyes typically possess greater photostability and lower pH sensitivity in the physiological pH range than their nonfluorinated analogs, exhibit less fluorescence quenching when conjugated to a substance, possess absorption and emission spectra that closely match those of their nonfluorinated analogs, and also exhibit higher quantum yields than their nonfluorinated analogs.

    摘要翻译: 本发明包括6,8-二氟-7-羟基香豆素和6,8-二氟-7-羟基香豆素的衍生物,包括活性染料,染料共轭物和酶底物。 这些氟取代的荧光染料通常在生理pH范围内比其非氟化类似物具有更高的光稳定性和较低的pH敏感性,当与物质缀合时显示较少的荧光猝灭,具有与其非氟化类似物的吸收和发射光谱非常接近的吸收和发射光谱,以及 表现出比其非氟化类似物更高的量子产率。