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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
Author(s) -
Mataka Shuntaro,
Takahashi Kazufumi,
Tashiro Masashi,
Lin WeiHua,
Iwasaki ShinIchi,
Tsutsui Tetsuo,
Saito Shogo,
Akiyama Shinji,
Yonemitsu Tadashi
Publication year - 1989
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570260138
Subject(s) - chemistry , alkoxy group , orange (colour) , aryl , amorphous solid , solid state , solvent , medicinal chemistry , photochemistry , organic chemistry , alkyl , food science
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.