Temperature-Responsive Near-Infrared Emission Enabled by Reversible π-Umpolung with an Alkenyl-Strapped Diarylboryl Unit.

Coordination of a Lewis base to a tricoordinate boryl group generates a tetracoordinate species, thereby inverting the electronic character of the boryl substituents from electron-accepting to electron-donating. Utilizing this π-umpolung strategy, we…

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