Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Nizar R. El-Rayyes"'
Publikováno v:
Applied Spectroscopy. 33:406-409
Nuclear magnetic resonance methods were used for the determination of average structural formulae and formula weights of the saturate, naphthene-aromatic, and polar-aromatic fractions separated from asphalts by elution adsorption chromatography. The
Publikováno v:
Journal of Chemical & Engineering Data. 29:225-229
Publikováno v:
Journal of Chemical & Engineering Data. 27:213-217
Publikováno v:
Journal of Heterocyclic Chemistry. 15:759-763
Reactions of acetylenic ketones (Ia-f) with methyl α-naphthylacetate in the presence of sodium methoxide gave the corresponding 6-aryl-3-α-naphthyl-4-phenyl-2-pyrones (IIa-f) which upon refluxing with hydrazine hydrate in ethanol gave the correspon
Publikováno v:
Industrial & Engineering Chemistry Product Research and Development. 17:165-169
Publikováno v:
Organic Mass Spectrometry. 14:517-523
The mass spectra of β-hydroxy-α-thiobenzoylstyrene derivatives and (E, Z)- or (E, E)-β,β-di(α-aroylstyryl)sulphides as well as β,β′di(α-aroylstyryl)disulphides are discussed. The fragmentation patterns support their proposed structure and c
Publikováno v:
Journal of Chemical & Engineering Data. 31:369-372
Publikováno v:
Journal of Heterocyclic Chemistry. 13:195-203
Aroylphenylacetylenes reacted with ethyl phenylacetate and benzyl cyanide in the presence of sodium ethoxide to give 6-aryl-3,4-diphenyl-2H-pyran-2-ones (2) and 4-aroyl-2,3-cis-diphenyl-crotonitriles (11), respectively. The structure and configuratio
Publikováno v:
Journal of Chemical & Engineering Data. 32:481-483
Autor:
Nizar R. El-Rayyes, Ali H. Katrib
Publikováno v:
Journal of Chemical & Engineering Data. 28:132-134