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Issue 36, 2016
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Shape-persistent fluorescent tetraphenylmethane dendrimers

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Abstract

We report the first examples of a new class of rigid dendrimers made of three-dimensional tetraphenylmethane units connected by ethynylene linkers. Designed to obtain a persistent globular shape, minimal backfolding of terminal groups and well-defined cavities at low generations, the dendrimers were synthesized until the second generation by a convergent strategy based on Sonogashira couplings. Their structure and size were confirmed by NMR, MALDI-TOF-MS and SEC among other techniques. The dendrimers showed intrinsic fluorescence with quantum yields of ∼0.6.

Graphical abstract: Shape-persistent fluorescent tetraphenylmethane dendrimers

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Supplementary files

Article information


Submitted
16 Jun 2016
Accepted
28 Jul 2016
First published
29 Jul 2016

Polym. Chem., 2016,7, 5641-5645
Article type
Paper

Shape-persistent fluorescent tetraphenylmethane dendrimers

J. I. Urzúa, M. A. Regueira, M. Lazzari and M. Torneiro, Polym. Chem., 2016, 7, 5641
DOI: 10.1039/C6PY01046F

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