Controlling azobenzene photoswitching through combined ortho-fluorination and -amination

Z. Ahmed, A. Siiskonen, M. Virkki, A. Priimägi

    Research output: Contribution to journalArticleScientificpeer-review

    47 Citations (Scopus)
    45 Downloads (Pure)


    We present a series of visible-light-absorbing azobenzene photoswitches with cis-lifetimes ranging from one second to three days. We combine ortho-fluorination to control the cis-lifetimes, and ortho-amination to boost the visible-light absorption. The synthesis is accomplished by selectively replacing one or more ortho-fluorines with amines in the ortho-fluoroazobenzene precursors.
    Original languageEnglish
    Pages (from-to)12520-12523
    Number of pages4
    JournalChemical Communications
    Issue number93
    Publication statusPublished - 2017
    Publication typeA1 Journal article-refereed

    Publication forum classification

    • Publication forum level 2


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