The photogeneration of aryltropylium ions: a potential photo-switch for supramolecular assemblies based on donor–acceptor interaction

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Uwe Pischel, Werner Abraham, Wolfram Schnabel and Uwe Müller


Abstract

The photogeneration of aryltropylium cations with lifetimes strongly depending on the donor capacity of the aryl substituent has been achieved by photolysing the corresponding 7-methoxycycloheptatrienes 2, 3 and 4.


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