Abstract
A trivalent organoboron compound with diethylamino as an electron donor group and dimesitylboryl as an electron acceptor group has been synthesized. Its single- and two-photon excited fluorescence properties have been examined. Pumped by 820 nm laser pulses in femtosecond regime, it showed strong two-photon excited fluorescence at 527 nm in toluene with two-photon absorption cross-section being 859GM. The compound has been found to be a sensitive chemosensor for fluoride and cyanide anions in THF solutions.
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