Počet záznamov: 1  

Arylazoindazole photoswitches

  1. NázovArylazoindazole photoswitches
    Podnázovfacile synthesis and functionalization via SNAr substitution
    Aut.údajeRaquel Travieso-Puente ... [et al.]
    Autor Travieso-Puente Raquel (15%)
    Spoluautori Budzák Šimon 1982- (14%) UMBFP08 - Katedra chémie
    Chen Juan (14%)
    Stacko Peter (14%)
    Jastrzebski Johann T. B. H. (14%)
    Jacquemin Denis (14%)
    Otten Edwin (15%)
    Zdroj.dok. Journal of the American Chemical Society. Vol. 139, no. 9 (2017), pp. 3328-3331. - Washington : The American Chemical Society, 2017
    Kľúč.slová arylazoindazoles   arylindazoly   fotoprepínače - photoswitches  
    Jazyk dok.angličtina
    KrajinaSpojené štáty
    Systematika 66.0
    AnotáciaA straightforward synthetic route to arylazoindazoles via nucleophilic aromatic substitution is presented. Upon deprotonation of the NH group, a C(6)F(5-)substituted formazan undergoes facile cydization as a result of intermolecular nucleophilic substitution (SNAr). This new class of azo photoswitches containing an indazole five-membered heterocycle shows photochemical isomerization with high fatigue resistance. In addition, the Z-isomers have long thermal half-lives in the dark of up to several days at room temperature. The fluorinated indazole group offers a handle for further functionalization and tuning of its properties, as it is shown to be susceptible to a subsequent, highly selective nucleophilic displacement reaction.
    Kategória publikačnej činnosti ADC
    Číslo archívnej kópie41291
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