Abstract
AbstractIn the search for new fluorescent triphenylamine (TP) derivatives, we studied the influence of the position and substitution of diverse heterocyclic substituents. A library of 10 fluorescent triphenylamines bearing either oxazoles or thiazoles and pyridiniums, substituted at different positions has been developed. The approach is based on a convergent C−H activation reaction between pyridine‐oxazoles or pyridine‐thiazoles and di‐iodo triphenylamine. We showed that the nature and substitution pattern of the 5‐membered‐ (oxazole, thiazole) or 6‐membered heterocycle (pyridine) has a strong influence on their fluorescence properties and on their localization in living cells as they stain either the nucleus or mitochondria.
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