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- W2000568997 abstract "Abstract Twelve 2,5-dimethyl-3-thienyl chalcones [ E -1-(2,5-dimethyl-3-thienyl)-3-(substituted phenyl)-2-propen-1-ones] have been synthesized by Claisen–Schmidt condensation of 3-acetyl-2,5-dimethyl furon and substituted benzaldehydes. Yields of the chalcones are more than 80%. These chalcones were characterized by their physical constants and spectral data. The group frequencies of infrared ν(cm −1 ) of CO s-cis and s-trans , CH in-plane and out of plane , CH CH out of plane , >C C out of plane modes, NMR chemical shifts δ (ppm) of H α , H β , CO, C α and C β of these chalcones were correlated with Hammett substituent constants, F and R parameters using single and multi-regression analyses. From the results of statistical analyses, the effects of substituents on the group frequencies are explained. Antibacterial, antifungal, antioxidant and insect antifeedant activities of these chalcones have been studied." @default.
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- W2000568997 date "2017-02-01" @default.
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- W2000568997 title "Synthesis, spectral linearity, antimicrobial, antioxidant and insect antifeedant activities of some 2,5-dimethyl-3-thienyl chalcones" @default.
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- W2000568997 doi "https://doi.org/10.1016/j.arabjc.2013.03.006" @default.
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