Issue 36, 2013

Activation of BODIPY fluorescence by the photoinduced dealkylation of a pyridinium quencher

Abstract

The photoinduced cleavage of a 2-nitrobenzyl group from a pyridinium quencher covalently attached to the meso position of a BODIPY fluorophore activates the emission of the latter. This photochemical transformation prevents the transfer of one electron from the BODIPY platform to its heterocyclic appendage upon excitation and, as a result, permits the radiative deactivation of the excited fluorophore. This versatile mechanism for fluorescence switching can translate into the realization of an entire family of photoactivatable fluorophores based on the outstanding photophysical properties of BODIPY chromophores.

Graphical abstract: Activation of BODIPY fluorescence by the photoinduced dealkylation of a pyridinium quencher

Article information

Article type
Communication
Submitted
12 Ebr. 2013
Accepted
10 Mae 2013
First published
10 Mae 2013

Phys. Chem. Chem. Phys., 2013,15, 14851-14855

Activation of BODIPY fluorescence by the photoinduced dealkylation of a pyridinium quencher

S. S. Ragab, S. Swaminathan, J. D. Baker and F. M. Raymo, Phys. Chem. Chem. Phys., 2013, 15, 14851 DOI: 10.1039/C3CP51580J

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