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Reaction of 2,5-Disubstituted-1,3,4-oxadiazoles

Ahmed A. El-Barbary ; Department of Chemistry, Faculty of Science, University of Tanta, Tanta, Egypt

Puni tekst: engleski, pdf (3 MB) str. 71-78 preuzimanja: 116* citiraj
APA 6th Edition
El-Barbary, A.A. (1985). Reaction of 2,5-Disubstituted-1,3,4-oxadiazoles. Croatica Chemica Acta, 58 (1), 71-78. Preuzeto s https://hrcak.srce.hr/177741
MLA 8th Edition
El-Barbary, Ahmed A.. "Reaction of 2,5-Disubstituted-1,3,4-oxadiazoles." Croatica Chemica Acta, vol. 58, br. 1, 1985, str. 71-78. https://hrcak.srce.hr/177741. Citirano 06.03.2021.
Chicago 17th Edition
El-Barbary, Ahmed A.. "Reaction of 2,5-Disubstituted-1,3,4-oxadiazoles." Croatica Chemica Acta 58, br. 1 (1985): 71-78. https://hrcak.srce.hr/177741
Harvard
El-Barbary, A.A. (1985). 'Reaction of 2,5-Disubstituted-1,3,4-oxadiazoles', Croatica Chemica Acta, 58(1), str. 71-78. Preuzeto s: https://hrcak.srce.hr/177741 (Datum pristupa: 06.03.2021.)
Vancouver
El-Barbary AA. Reaction of 2,5-Disubstituted-1,3,4-oxadiazoles. Croatica Chemica Acta [Internet]. 1985 [pristupljeno 06.03.2021.];58(1):71-78. Dostupno na: https://hrcak.srce.hr/177741
IEEE
A.A. El-Barbary, "Reaction of 2,5-Disubstituted-1,3,4-oxadiazoles", Croatica Chemica Acta, vol.58, br. 1, str. 71-78, 1985. [Online]. Dostupno na: https://hrcak.srce.hr/177741. [Citirano: 06.03.2021.]

Sažetak
Some 5-aryl-2-mercapto-1,3,4-oxadiazole (I) reacted with maleic
anhydride, maleic acid and p-benzoquinone affording 2-(5-aryl-
-1,3,4-oxadiazol-2-ylthio)succinic anhydrides (II), 2-(5-aryl-1,3,4-
-oxadiazol-2-ylthio)succinic acids (III) and 2-(2,5 dihydroxyphenylthio)- 5-aryl-l,3,4-oxadiazoles (IV), respectively. Treatment of 2- methylthio-5-phenyl-l,3-oxadiazole (V) with amines gives 2-[(alkyl or aryl)-amino]-5-phenyl-l,3,4-oxadiazoles (VI). Compound VIe condensed with aromatic aldehydes to give 2-(4-cinnamoylanilino)- 5-phenyl-l,3,4-oxadiazoles (VII) which on bromination afforded the dibromo derivative VIlI and on treatment with hydroxylamine afforded 2-[4-(5-aryl-2-isoxazolin-3-yl)anilino]-5-phenyl-1,3,4-oxadiazoles (IX). Reacting VII with hydrazine hydrate gave 2-[4-(5-aryl-2-pyrazolin-3-yl)anilino]-5-phenyl-l,3,4-oxadiazoles (X), while on treatement VII with acetylacetone and ethylacetoacetate
afforded 2- [4-(4-acetyl or carbethoxy-5-phenyl-l-cyclohexen -3-one-
-1-yl)anilino]-5-phenyl-l,3,4-oxadiazoles (XIIa, b), respectively.

Hrčak ID: 177741

URI
https://hrcak.srce.hr/177741

Posjeta: 229 *