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Pyran-based derivative: non-conventional organogel and tri-colored high-contrast mechanochromism

Jiayu Zhang, Jiayu Lu,Wen Wang,Xinghong Zhang,Haichuang Lan,Shuzhang Xiao

Tetrahedron Letters（2022）

Cited 4|Views8
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Abstract
An AIE-active pyran derivative bearing bromine, but no alkyl chains or amide units was found to be able to gelate organic solvent aided by the halogen-assisted balanced intermolecular pi-pi interactions. Moreover, the pyran derivative exhibits tri-colored high-contrast mechanochromism based on the transition between monomer and different pi dimers. (C) 2022 Elsevier Ltd. All rights reserved.
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Key words
4H-pyran derivatives,Organogel,Halogen effect,Aggregation-induced emission,Mechanochromism
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