A series of 5-phenyl-3-(10H-phenothiazinyl)-Δ2-cyclohexen-1-ones were prepared using conventional and microwave-assisted methods. The condensation between 3-phenyl-1-(10H-phenothiazinyl) prop-2-en-1-one derivatives (3a–g) and acetyl acetone yielded 5-phenyl-3-(10H-phenothiazinyl)-Δ2-cyclohexen-1-one derivatives (7a–g). The products were characterized by UV, IR, 1H NMR, 13C NMR, 2D-NMR, MS, and elemental analysis. In vitro antifungal activity was carried out by zone of inhibition method against four species, namely Aspergillus niger, Candida albicans, Microsporum gypseum, and Aspergillus flavus. Compounds 7a and 7d showed good antifungal activity with zones of inhibition of 17 and 18 mm, respectively, and comparable with the standard substance, Bavinston, with 20 mm.
Research on Chemical Intermediates – Springer Journals
Published: Mar 21, 2013
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