中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3-(4,4-dimethoxyphenyl)-1-phenylpyrazole-4-carboxylic acid | —— | C18H16N2O4 | 324.336 |
Due to the potential antimicrobial activity of pyranochromenones and pyrazolines moieties, hybrid compounds containing both, substituted 4-Chloro-8-methyl-2-(1,3-diphenyl- -1H-pyrazol-4-yl)-1,5-dioxa-2H-phenanthren-6-ones (4a-g), have been synthesized from substituted (E)-1-(7-Hydroxy-4-methyl-8-coumarinyl)-3-(1,3-diphenyl -1H-pyrazol-4-yl)-2-propen-1-ones (3a-g) in good yield using the Vilsmeier reaction, by microwave-assisted method. The structures of all the compounds have been established on the basis of analytical and spectral data. All the synthesized compounds were tested in vitro for their antibacterial and antifungal activities. Some of the compounds have shown very good activity compared to standard drugs against all pathogenic bacteria and fungi.
A series of pyrazolines 4a-g have been synthesized by Michael addition of chalcones 3a-g with hydrazine hydrate in presence of sodium acetate under conventional heating and microwave irradiation. Structures of the newly synthesized chalcones 3a-g and pyrazolines 4a-g have been established on the basis of IR, 1H & 13C NMR and mass spectral data. All the synthesized compounds were screened for their antimicrobial activity. Some of the compounds shown very good activity compared to standard drugs against all pathogenic bacteria and fungi.