Pyrylium-based porous organic polymers via Knoevenagel condensation for efficient visible-light-driven heterogeneous photodegradation

Pyrylium salts are a type of representative and convincing example of versatility and variety not only as a nodal point in organic transformations but also as an attractive building block in functional organic materials.Herein,we report an effective synthetic protocol to fabricate a new pyrylium-con...

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Published in:中国化学快报（英文版） 2023, Vol.34 (4), p.279-282
Main Authors: Renwei Hu, Mehdi Hassan, Lu Liu, Shuguang Zhang, Weitao Gong
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Mehdi Hassan
Lu Liu
Shuguang Zhang
Weitao Gong
description Pyrylium salts are a type of representative and convincing example of versatility and variety not only as a nodal point in organic transformations but also as an attractive building block in functional organic materials.Herein,we report an effective synthetic protocol to fabricate a new pyrylium-containing porous organic polymers(POPs),named TMP-P,via Knoevenagel condensation with 2,4,6-trimethylpyrylium salt(TMP)as the key building block and 1,4-phthalaldehyde as the linker.The resulting ionic polymer TMP-P exhibited efficient visible-light-driven heterogeneous photodegradation of Rhodamine B,owing to the presence of wide visible light absorption and a narrow optical band gap triggered pyrylium core in the framework.
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title Pyrylium-based porous organic polymers via Knoevenagel condensation for efficient visible-light-driven heterogeneous photodegradation
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