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    A 3-dimensional networked molecular cage, , has been synthesized. This macrocycle-based framework was prepared from a solvothermal reaction involving a flexible organic building block, calix[4]pyrrole dibenzoic acid (H2), and Pr(NO3)3ยท6H2O. A unique feature of is that it retains free calix[4]pyrrole molecules in the framework pores. Treatment with a fluoride anion source serves to destroy the network and allows release of the organic guest. The net result is a 'molecular ship' in a 'breakable bottle'.


    Juhoon Lee, Nolan W Waggoner, Luis Polanco, Ga Rim You, Vincent M Lynch, Sung Kuk Kim, Simon M Humphrey, Jonathan L Sessler. Ship in a breakable bottle: fluoride-induced release of an organic molecule from a Pr(iii)-linked molecular cage. Chemical communications (Cambridge, England). 2016 Jun 30;52(55):8514-7

    PMID: 27273123

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