Preparation of pyrido[1,2-c][1,2,4]triazole-based π-conjugated triazene as a Fe3+ ion fluorescent sensor

A highly efficient coupling reaction of pyrido[1,2-c][1,2,4]triazole carbene precursors with sulfonyl azides leading to structurally diverse π-conjugated triazenes has been realized under very mild conditions. [Display omitted] A highly efficient coupling reaction of N-heterocyclic carbene precursor...

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Bibliographic Details
Published in:Chinese chemical letters 2019-05, Vol.30 (5), p.1059-1062
Main Authors: Yi, Dong, Wu, Yaping, Chen, Changyou, Wang, Li, Wang, Qin, Pu, Lin, Wei, Siping
Format: Article
Language:English
Subjects:
Fluorescence
Iron ion
Sensor
Sulfonyl azide
Triazene
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Summary:A highly efficient coupling reaction of pyrido[1,2-c][1,2,4]triazole carbene precursors with sulfonyl azides leading to structurally diverse π-conjugated triazenes has been realized under very mild conditions. [Display omitted] A highly efficient coupling reaction of N-heterocyclic carbene precursors with sulfonyl azides has been developed, affording a variety of pyrido[1,2-c][1,2,4]triazole-based π-conjugated triazenes. The present reaction proceeds under very mild conditions with good functional group tolerance. The resulting triazenes exhibit selective and sensitive fluorescent response toward Fe3+ ion.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2019.01.013