Aurone-derived 1,2,3-triazoles as potential fluorescence molecules in vitro.
RSC Adv
; 12(35): 22639-22649, 2022 Aug 10.
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| ID: mdl-36105995
ABSTRACT
Aurones are a class of well-studied natural compounds primarily responsible for the yellow pigment in flowering plants and have been shown to have fluorescent properties as well as beneficial biological effects. Traditionally, aurones can be easily synthesized through a Knoevenagel condensation of benzofuranones with arylaldehydes. Recently, Kafle et al. unexpectedly synthesized a new aurone derivative containing a 1,2,3-triazole within its backbone. Since, 1,2,3-triazole containing structures have been shown to be useful as fluorophores with large Stokes shifts, we hypothesized that these new aurone-derived triazole compounds (ATs) could be utilized as potential fluorophores. Here we describe a newly-synthesized fluorescent compound which has potential for use as a live-cell probe, having a large Stokes shift of 118.3 ± 1.01 nm in phosphate-buffered saline with the benefit of increased fluorescence in protic environments, which is uncommon in aurone-derived fluorophores.
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RSC Adv
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2022
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Article