Chmutova G.; Kataeva O.; Ahlbrecht H.; Kurbangalieva A.; Movchan A.; Lenstra A.; Geise H.; Litvinov I.
(2001)
1-Phenyl-3-methylpyrazol-2-in-5-thione, crystallised from methanol, was shown to exist in the tautomeric NH-form, stabilised by intermolecular NH···S hydrogen bonds. In solutions, however, the molecule is found predominantly ...