Abstract
A new meso-ortho-hydroxy-modifying Bodipy compound (o-OH-Bodipy) has been designed and synthesized. Single crystal X-ray diffraction analysis reveals the slight lean of the meso-phenyl moiety to the o-OH side due to the effect of the o-OH substituent. Systematic optical studies indicate that introduction of the o-OH group onto the meso-phenyl moiety of this compound induces an increased binding affinity and in particular an obvious fluorescence quenching response to Cu2+ on the basis of the photo-induced electronic transition process, endowing o-OH-Bodipy a great potential as highly sensitive fluorescence ONOFF detector for Cu2+ even in the acidic condition.
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