Diols and anions can control the formation of an exciplex between a pyridinium boronic acid with an aryl group connected via a propylene linker

Reference:

Huang, Y. J., Jiang, Y. B., Bull, S. D., Fossey, J. S. and James, T. D., 2010. Diols and anions can control the formation of an exciplex between a pyridinium boronic acid with an aryl group connected via a propylene linker. Chemical Communications, 46 (43), pp. 8180-8182.

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Official URL:

http://dx.doi.org/10.1039/c0cc03099f

Abstract

The exciplex formation between a pyridinium boronic acid and phenyl group connected via a propylene linker can be monitored using fluorescence. Addition of pinacol affords a cyclic boronate ester with enhanced Lewis acidity that increases the strength of its cation-pi stacking interaction causing a four-fold fluorescence enhancement.

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