1 January 1998 Synthesis and photochromism of peri-phenoxysubstituted azanaphthacenequinones
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Photochromic 6,11-diphenoxy-1-aza-5,12-naphthacenequinone, 6-11-diphenoxy-2-aza-5,12-naphthacenequinone, and 11- phenoxy-10-aza-5,12-naphthacenequinone have been synthesized. The efficiency of photocoloring and photo- decolorizing of these compounds has been determined in comparison with the known 6-phenoxy- and 6,11-diphenoxy- 5,12-naphthacenequinones in toluene, propanol and acetic acid.
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Natalya Sokolyuk, Natalya Sokolyuk, Lyudmila Pisulina, Lyudmila Pisulina, } "Synthesis and photochromism of peri-phenoxysubstituted azanaphthacenequinones", Proc. SPIE 3347, Optical Information Science and Technology (OIST97): Optical Recording Mechanisms and Media, (1 January 1998); doi: 10.1117/12.301409; https://doi.org/10.1117/12.301409

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