Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Rafat Mohareb"'
Publikováno v:
Acta Chimica Slovenica, Vol 67, Iss 1, Pp 83-95 (2020)
The reaction of dimedone with arylaldehydes gave the benzylidene derivatives 3a–c, the latter underwent a series of heterocyclization reactions to give fused thiophene, pyrazole isoxazole and pyridazine derivatives. The synthesized compounds were e
Externí odkaz:
https://doaj.org/article/c7eaa79b8ab247ab928c7ef8bb5c1084
Publikováno v:
Acta Chimica Slovenica, Vol 64, Iss 2, Pp 349-364 (2017)
The reaction of the 2-(4-oxo-4,5-dihydrothiazol-2-yl)acetonitrile (1) with salicylaldehyde (2) in 1,4-dioxane containing a catalytic amount of piperidine gave the coumarin derivative 3. The latter reacted with different reagents to give pyrano[4,5-b]
Externí odkaz:
https://doaj.org/article/1b6a87c4f69e47d58b1ad47fe2d8cc1a
Publikováno v:
Acta Chimica Slovenica, Vol 63, Iss 2, Pp 227-240 (2016)
The reaction of ethyl cyanoacetate 2 with o-phenylenediamine 1 gave the 2-cyanomethylbenzo[c]imidazole 3. The latter compound was used as the key starting material to synthesis biologically active heterocyclic derivatives. Thus, the reaction of compo
Externí odkaz:
https://doaj.org/article/1ae63aef375648558c6d63ae2f25ea0b
Publikováno v:
Organic Communications. :1-21
Autor:
M Rafat, Mohareb, A Peter, Halim
Publikováno v:
Acta chimica Slovenica. 65(3)
The reaction of anthranilic acid with ethoxycarbonylisothiocyanate gave the ethyl 4-oxo-2-thioxo-1,2-dihydroquinazoline-3(4H)-carboxylate (4). The reaction of compound 4 with hydrazine hydrate and ∆-halocarbonyl derivatives was found to give either
Autor:
Rafat Mohareb
Publikováno v:
International Research Journal of Pure and Applied Chemistry. 2:144-155
The thiosemicarbazide synthesized from the reaction of cyanoacetylhydrazine phenylisothiocyanate reacted with acetoacetanilide gave the 2-pyridinone derivative 4. The reaction of the latter product with 1,3-dicarbonyl and α-halocarbonyl compounds ga