Reversible redox-controlled imaging methods
    1.
    发明公开
    Reversible redox-controlled imaging methods 失效
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    公开(公告)号:EP0516163A1

    公开(公告)日:1992-12-02

    申请号:EP92109120.3

    申请日:1992-05-29

    摘要: A novel class of N-substituted triarylmethane sulfonamides is provided which undergo reversible oxidation into colored form and reversible reduction of the oxidized form into colorless form. Preferred embodiments comprise xanthene sulfonamides having N-aryl substituents, e.g., hydroquinone substituents. These compounds possess redox potentials ranging between about +200 to -500 millivolts and thus are useful as dyes for producing photographic, photothermographic, thermal, and pressure-induced images, as well as being useful as redox indicators in a wide variety of biological and chemical reactions.

    摘要翻译: 提供了一类新的N-取代的三芳基甲烷磺酰胺,其经历可逆氧化成着色形式,并将氧化形式可逆地还原成无色形式。 优选的实施方案包括具有N-芳基取代基的呫吨磺酰胺,例如氢醌取代基。 这些化合物具有约+ 200-500毫伏之间的氧化还原电位,因此可用作产生照相,光热照相,热和压力诱导图像的染料,以及用作各种生物和化学品中的氧化还原指示剂 反应。