Journal
HELIYON
Volume 6, Issue 9, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.heliyon.2020.e04956
Keywords
Organic chemistry; Pharmaceutical chemistry; Pyrido[2,3-d]pyrimidin-4-one; Hydrazinylpyrido[2,3-d]pyrimidin-4-one; Anti-bacterial activity; Anti-fungal activity
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Combination of arylidene hydrazinyl moiety with pyrido[2,3-d]pyrimidin-4-one skeleton in compounds 7.26 results in the output of unprecedented anti-microbial agents. Arylidene hydrazinyl based on Pyrido[2,3-d]pyrimidin-4-one analoges 7.26 prepared by the treatment of [2,3-d]pyrimidin-4-ones 6a,b with various aromatic aldehydes. The antimicrobial action for recently synthesized compounds was considered towards gram positive bacterial species (Staphylococcus aurous ATCC-47077; Bacillus cereus ATCC-12228), gram negative bacterial species (Escherichia coli ATCC-25922; Salmonella typhi ATCC-15566) and Candida albicans ATCC-10231 as fungal strains. The antimicrobial action expanded by expanding the electron donating group in position 2 and 5 for Pyrido[2,3-d]pyrimidin-4-one core. Derivatives 13, 14, 15, 16 and 12; individually appeared hopeful antimicrobial action towards all strains utilized with inhibition zone higher than that of standard reference drug with lowest MIC.
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