1-Phenoxyanthrapyridone as an Arylotropy-Based Photochromic System
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A 1-phenoxy-3H-naphtho[1,2,3-de]quinoline-2,7-dione derivative exhibits photochromic properties, forming a colored product with bright orange fluorescence. The latter is a naphtho[1,2,3-de]quinolin-3-ium-1-olate derivative, formed via arylotropy. The structure... ...
