6 Result(s)
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Shahid Hameed
Chemistry
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Article
Open AccessSynthesis and characterization of novel iminobenzoates with terminal pyrazine moieties
Apart from its numerous biological activities like antidiabetic, anti-inflammatory, antimicrobial, pyrazine moiety plays an important role in luminescent materials. Its role in luminescent materials is due to ...
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Article
Synthesis and crystal structure of bis-chalcone-derived fused-ring pyrazoline having an unusual substitution pattern
Pyrazolines are an important class of heterocyclic compounds with diverse applications. A novel bis-chalcone-derived fused ring pyrazoline has been obtained by the reaction of bis-chalcone with hydrazine hydra...
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Article
Synthesis and in vivo hypoglycemic activity of new imidazolidine-2,4-dione derivatives
A series of new 3-arylsulfonylimidazolidine-2,4-diones (2a–2p) were synthesized by reacting imidazolidine-2,4-diones (1a–1e) with arylsulfonyl chlorides in the presence of triethyl amine. The imidazolidine-2,4-d...
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Article
Synthesis, characterization, and hypoglycemic activity of 3-(arylsulfonyl)spiroimidazolidine-2,4-diones
Spiroimidazolidine-2,4-diones were prepared from methylcyclohexanones by the Bucherer–Bergs reaction. Synthesis of the target 3-(arylsulfonyl)spiroimidazolidine-2,4-diones was achieved by reaction of arylsulfo...
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Article
Design, synthesis, and urease inhibition studies of a series of 4-amino-5-aryl-3H-1,2,4-triazole-3-thiones
A series of 4-amino-5-aryl-3H-1,2,4-triazole-3-thiones was synthesized by reaction of aryl hydrazides with CS2 and hydrazine hydrate. The synthesized compounds were characterized by spectroanalytical techniques, ...
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Article
An Unexpected Synthesis of Novel Oxygen-Bridged 1,5-Benzothiazepine Derivatives and their Reductive Five-Membered-Ring Opening
A convenient procedure is reported for the preparation of benzofuro-annelated 2-phenyl-1,5-benzothiazepine derivatives by oxidative cyclocondensation of phenolic β-diketones with o-aminothiophenol in DMSO. The r...
