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Heterocyclic synthesis with thiophene-2-carboxamide
Faculty
Science
Year:
2008
Type of Publication:
Article
Pages:
74-81
Authors:
Ahmed, Gamal A
DOI:
10.1080/10426500701557005
Journal:
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS TAYLOR \& FRANCIS LTD
Volume:
183
Research Area:
Chemistry
ISSN
ISI:000252850600008
Keywords :
tetrahydrothienopyrimidinone, dihydrothienopyrimidine, thienopyrimidinedione, oxazinone
Abstract:
3-Amino-4-cyano-N-phenylaminothiophene-2-carboxamide (2) was prepared by reacting 2-(1,1-dicyanomethylene)-3-N-phenyl-1,3-thiazolidin-4-one (1) with ammonia. The carboxamide when reacted with benzaldehyde, formic acid, phenylisothiocyanate, cyclohexanone, cyclopentanone, ethylchloroformate and carbon disulfide yield. The pyrimidinone derivatives (3, 4, 5, 6, 7, 8, and 9), respectively. The biological activity of all synthesized compounds were studied as antibiotics and against Grain positive and Gram negative bacteria. The purpose of this article is synthesis of new antibiotic and antibacterial drugs.
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