Photochromic indeno-fused naphthopyrans
作者： Anu Chopra
DOI:
关键词: Combinatorial chemistry 、 Photochromism 、 Group (periodic table) 、 Materials science
摘要: Photochromic materials comprising indeno- fused naphthopyrans having substituents a 4-fluorcVhenyl group and 4-aminophenyl bonded to the 3- position of naphthopyran are disclosed. The photochromic may exhibit faster fade rates as compared similar indeno-fiised without 4- fluorophenyl 3-position naphthopyran. Substituted 2-propyn-l-ols utilized for synthesis indeno-fused disclosed herein compositions articles, such optical elements, incorporating also
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