Outline
DOI: 10.1021/acs.orglett.6c04057 ISSN: 1523-7060
Diarylthiazolo[3,2- a ]pyridin-5-ones: All-Visible-Light-Activated Turn-off Mode Fluorescent Photoswitches with Near-Quantitative Conversion Efficiency
Meiyue Zang, Lingxu Kong, Zhonglei Qiu, Ruiji LiAbstract
Two photochromic diarylethenes bearing a thiazolo[3,2-a]pyridin-5-one core were successfully synthesized. These compounds exhibit reversible photochromism in solution and solid-state films, as well as distinct turn-off fluorescence switching behavior under all-visible-light irradiation. Impressively, both derivatives achieve near-quantitative photocyclization efficiency and excellent photofatigue resistance upon alternating light stimulation.
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