Mabrouk Teguiche

Mabrouk Teguiche
Université 8 mai 1945 - Guelma · Department of Material Science

Doctor of Philosophy

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10
Publications
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172
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Introduction
Skills and Expertise

Publications

Publications (10)
Article
Full-text available
A suitable methodology of synthesis of coumarin derivatives by Pechmann reaction over heterogeneous solid acid catalysts in a free solvent media under microwave irradiation is described. Resorcinol, phenol and ethyl acetoacetate were selected as model reactants in the Pechmann condensation. The catalytic activity of several materials—Amberlyst-15,...
Article
Dimethyl acetylenedicarboxylate (DMAD) undergoes efficient Huisgen 1,3-dipolar cycloaddition reaction with various X-substituted aryl azides (X = 2C1, 3C1, 2COOCH3, 4COOCH3), applying two different conditions, under conventional stirring at room temperature or under microwave irradiation, to afford the corresponding 1,4,5-trisubstituted 1,2,3-triaz...
Article
Azomethine ylide, prepared from quinazolinium salt, undergoes 1,3-dipolar cycloaddition with alkyne dipolarophiles to produce substituted pyrroles. In fact, when alkene dipolarophiles were introduced, a novel compound i.e., substituted pyrrolo[1,2-a]quinazolinones have resulted from this work.
Article
Full-text available
Grapes and wines are now known to constitute a rich source of phenolics such as stilbenes and flavonoids. These compounds have been shown to have cancer chemopreventive activity and potential beneficial effects on cardiovascular diseases thanks to their antioxidant and antiplatelet properties. However, because little is known about African wines an...
Article
In protic solvents, 2-azidobenzaldehyde undergoes base-catalysed condensation with cyanocarbanions to yield tetrazolo[1,5-a]quinolines 5a-g, whereas in aprotic media 1,2,3-triazolo[1,5-a]quinazolines 6a-f are formed. Triazoloquinazolines 9 a-g are also obtained from 2'-azidoacetophenone and from 2-azidobenzonitrile, whereas with 2-azidobenzoyl chlo...
Article
The title compounds were prepared by the action of the diethyl 1,3-acetonedicarboxylate anion on ortho-substituted aryl azides. The anion was formed using either a sodium alkoxide in the appropriate alcohol or by an ion-exchange resin [Amberlite IRA-400(OH)].
Article
Thesis (Ph. D.)--University of Salford, 1991.

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