Zobrazeno 1 - 10
of 64
pro vyhledávání: '"V. I. Yakovenko"'
Autor:
КРАМАР, Ірина1 ira_kramar@yahoo.com, БАРАНОВ, Костянтин1 kostiantynbaranov@gmail.com
Publikováno v:
Socio-Economic Problems & the State / Socìalʹno-Ekonomìčnì Problemì ì Deržava. 2024, Vol. 30 Issue 1, p140-151. 12p.
Publikováno v:
Pharmaceutical Chemistry Journal. 21:354-357
Publikováno v:
Pharmaceutical Chemistry Journal. 20:406-411
Publikováno v:
Chemistry of Heterocyclic Compounds. 17:115-118
The boundaries of application of the one-step synthesis of flavylium salts on the basis of bromoresacetophenone were extended, and the conditions for heterocyclization of 2′,4′-dihydroxy-5′-bromochalcones to 4-ethoxyflavylium salts were studied
Publikováno v:
Pharmaceutical Chemistry Journal. 21:134-139
In Communication I* we reported a qualitative evaluation of structure-activity correlations in a series of synthetic chalcones. This report describes a study of the corresponding quantitative relationships using computational methods which facilitate
Publikováno v:
Chemistry of Heterocyclic Compounds. 13:149-152
4-Ethoxybenzopyrylium salts, which are converted to the corresponding flavones in quantitative yields by refluxing with water, were synthesized by condensation of o-hydroxyacetophenones with aromatic aldehydes in the presence of ethyl orthoformate an
Publikováno v:
Chemistry of Heterocyclic Compounds. 11:1104-1106
2-Phenyl-3-benzylindoles were synthesized by Fischer cyclization of 1,3-diphenyl-1-propanone phenylhydrazones. The structures of the products were confirmed by their IR and PMR spectra.
Publikováno v:
Pharmaceutical Chemistry Journal. 10:1521-1523
Publikováno v:
Chemischer Informationsdienst. 12
Die aus Brom-resacetophenon (I) und aromatischen Aldehyden (II) gebildeten Chalkone (III) cyclisieren beim Erhitzen mit Orthoameisensaureethy-lester (IV) in Gegenwart von 70%iger Perchlorsaure zu den Ethoxy?avyliumsalzen (V).
Publikováno v:
Chemischer Informationsdienst. 6