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  • Title: Anthracene-resorcin[4]arene-based capsules: synthesis and photoswitchable features.
    Author: Bringmann S, Brodbeck R, Hartmann R, Schäfer C, Mattay J.
    Journal: Org Biomol Chem; 2011 Nov 07; 9(21):7491-9. PubMed ID: 21927749.
    Abstract:
    Herein we present the synthesis and the photochemical behavior of several new hemicarcerands containing anthracene units as photoactive species. By means of NMR investigations of compounds 9 and 11 the dimerization mode was revealed as a 9,10-9',10'-dimerization, classically known from anthracene. Nevertheless only compound 11 could be converted to the opened form upon irradiation with 300 nm. Reopening of compounds 9 and 10 could not be achieved so far either by heating or by irradiation.
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