Anthracene-resorcin[4]arene-based capsules: Synthesis and photoswitchable features

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 10could not be achieved so far either by heating or by irradiation.

Anthracene-resorcin[4]arene-based capsules: Synthesis and photoswitchable features

http://pubs.rsc.org/en/content/articlelanding/2011/ob/c1ob06030a#!divAbstract

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