Lactone-fused naphthopyran UV photoswitches with fast bleaching in the dark
Journal of Photochemistry and Photobiology A: Chemistry(2022)
摘要
•Photochromic furan and lactone fused naphthopyrans were prepared in just 2 steps.•UV irradiation generates a single red colored species.•The coloured species fade in the dark, at room temperature, in few seconds.•Faster thermal decay than unfused naphthopyrans.
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关键词
Naphthopyran,Photochromism,Photoswitches,Lactone
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