Synthesis and structure of Schiff bases derived from 3-formyl-4-hydroxycoumarin and diamines

Synthesis and structure of Schiff bases derived from 3-formyl-4-hydroxycoumarin and diamines

The mono- and diimine products from the condensation of 3-formyl-4-hydroxycoumarin and various diamines were synthesized. It was shown by 1 H NMR and mass spectrometry that the obtained compounds in DMSO-d 6 solution and in gas phase exist in the E - and Z -keto-enamine forms.

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Veröffentlicht in:Chemistry of heterocyclic compounds (New York, N.Y. 1965) N.Y. 1965), 2013-03, Vol.48 (12), p.1781-1792
Hauptverfasser: Milevskii, B. G., Chibisova, T. A., Solov’eva, N. P., Anisimova, O. S., Lebedev, V. S., Ivanov, I. V., Traven, V. F.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Chemistry and Materials Science
Invisibility
Isomerization
Organic Chemistry
Pharmacy
Schiff bases
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Zusammenfassung:The mono- and diimine products from the condensation of 3-formyl-4-hydroxycoumarin and various diamines were synthesized. It was shown by 1 H NMR and mass spectrometry that the obtained compounds in DMSO-d 6 solution and in gas phase exist in the E - and Z -keto-enamine forms.
ISSN:0009-3122
1573-8353
DOI:10.1007/s10593-013-1209-1