Color change (yellow documentclass{article}pagestyle{empty}begin{document}$rightleftharpoons$end{document} orange) of 4,6,7-tri(alkoxy-substituted aryl)-1,2,5-thiadiazolo[3,4-c]pyridines in the solid phase |
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Authors: | Shuntaro Mataka Kazufumi Takahashi Masashi Tashiro Wei-Hua Lin Shin-Ichi Iwasaki Tetsuo Tsutsui Shogo Saito Shinji Akiyama Tadashi Yonemitsu |
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Abstract: | Reversible color change of 4,6,7-tri(alkoxy-substituted phenyl)-1,2,5-thiadiazolo[3,4-c]pyridines 5 in the solid state was observed: on grinding, yellow crystals of 5 became an orange amorphous solid which, on heating or washing with an appropriate solvent, gave the original yellow crystals. |
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