Chemistry of naphthazarin derivatives. 12. Synthesis and investigation of prototropic tautomerism of 3-(alk-1-enyl)-2-hydroxynaphthazarins

Autor:	G. B. Elyakov, N. D. Pokhilo, V. Ph. Anufriev, A. Ya. Yakubovskaya, Valery P. Glazunov
Rok vydání:	2004
Předmět:	Solvent chemistry.chemical_compound chemistry Substituent Infrared spectroscopy Naphthazarin General Chemistry Tautomer Medicinal chemistry
Zdroj:	Russian Chemical Bulletin. 53:2626-2633
ISSN:	1573-9171 1066-5285
Popis:	Substituted 3-(alk-1-enyl)-2-hydroxynaphthazarins were synthesized. According to data from IR spectroscopy, these compounds exist in organic aprotic solvents as mixtures of tautomeric 1,4-naphthoquinonoid forms. The compositions of tautomeric mixtures were quantitatively determined. The effects of the structure of the alkenyl substituent and the polarity of the solvent on the tautomeric equilibrium were qualitatively estimated.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::1bc8e255c59b954b389795182fa293e8 https://doi.org/10.1007/s11172-005-0164-0 Zobrazit plný text záznamu Full text from SpringerLink