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Issue 15, 2019
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Alkylammoniotrifluoroborate functionalized polystyrenes: polymeric pre-catalysts for the metal-free borylation of heteroarenes

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Abstract

Three polymeric versions of ansa-N,N-dialkylammoniumtrifluoroborate ambiphilic molecules based on the styrene motif (poly(1-NMe2H+-2-BF3-4-styrene) (P-Me), poly(1-NEt2H+-2-BF3-4-styrene) (P-Et) and poly(1-piperidinyl-H+-2-BF3-4-styrene) (P-Pip)) were synthesized, characterized and tested as heterogeneous pre-catalysts for the borylation of electron-rich heteroarenes. These heterogeneous versions of previously reported pre-catalysts show similar reactivity patterns and represent the first examples of solid-supported FLP metal-free catalysts for the C–H borylation of heteroarenes.

Graphical abstract: Alkylammoniotrifluoroborate functionalized polystyrenes: polymeric pre-catalysts for the metal-free borylation of heteroarenes

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Article information


Submitted
31 Jan 2019
Accepted
25 Feb 2019
First published
27 Feb 2019

Dalton Trans., 2019,48, 4846-4856
Article type
Paper

Alkylammoniotrifluoroborate functionalized polystyrenes: polymeric pre-catalysts for the metal-free borylation of heteroarenes

N. Bouchard and F. Fontaine, Dalton Trans., 2019, 48, 4846
DOI: 10.1039/C9DT00484J

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