Ahmed A. Geies

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5-Chloro-3-methyl-1-phenylpyrazole-4-carbonitrile 3 was reacted with selenium in the presence of sodium borohydride and chloroacetamide to afford selanyl acetamide 5, which underwent Thorpe–Ziegler cyclization upon heating with sodium ethoxide to give the novel synthesized 4-amino-3-methyl-1-phenyl-1H-selenolo[2,3-c]pyrazole-5-carboxamide compound (6). The(More)
Reaction of 4-chlorocoumarin-3-carbonitrile with ethyl thioglycolate and ethyl glycinate hydrochloride leads to a series of title products. Hydrazinolysis of amino thienocoumarin carboxylate afforded the hydrazino derivative which underwent various reactions to build new heterocyclic rings containing thienocoumarin moiety. Chloro acetylation of aminoester(More)
The synthesis of 3-pyrrolyl-2-substituted thieno[2,3-b]quinoxalines from the precursor 3-amino derivatives are described. Synthesized compounds were subjected to reactions with other reagents to synthe-size polyfused heterocyclic incorporated thienoquinoxaline moiety. Some of the synthesized compounds were screened for their antibacterial and antifungal(More)
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