Enantiotropic Transformation of Carbethoxyhydrazones of Acetophenones

Enantiotropic Transformation of Carbethoxyhydrazones of Acetophenones

Hydrazinecarboxylates have been synthesized by reacting substituted acetophenones with carbethoxyhydrazine. One of product is formed as a mixture of E - and Z -isomers. In the process of measuring the melting point of the resulting hydrazinecarboxylates, a transition of one crystalline form to anoth...

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Veröffentlicht in:Russian journal of general chemistry 2020-03, Vol.90 (2), p.311-313
Hauptverfasser: Popova, E. A., Stepanova, O. V., Bessonov, V. V., Nepochatyi, G. D., Pevzner, L. M., Petrov, M. L.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Isomers
Melting points
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Zusammenfassung:Hydrazinecarboxylates have been synthesized by reacting substituted acetophenones with carbethoxyhydrazine. One of product is formed as a mixture of E - and Z -isomers. In the process of measuring the melting point of the resulting hydrazinecarboxylates, a transition of one crystalline form to another has been detected. That process has been recorded on video in “time-laps” mode for one of the substances.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363220020243