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in the keywords:  4-substituted 1-naphthacylbromides, 4-substituted 1-naphthacylbenzoates, IR& NMR spectra, Correlation analysis, Insect antifeedant activities
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Synthesis, spectral studies and insect antifeedant activities of some 4-substituted 1-naphthacyl bromide and its esters

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Thirunarayanan G.
Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
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2016
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vol. 71
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issue 2
EN
About nine 4-substituted 1-naphthacyl bromides and its esters have been synthesized by greener synthetic method using fly-ash catalyzed water mediated reaction.  These acyl bromides and esters have been characterized by their physical constants, Mass, IR and NMR spectral data.  These carbonyl frequencies(cm-1) of existed rotomers of these compounds have been assigned and correlated with Hammett substituent constants, F, R and Swain-Lupton’s parameters.  The insect antifeedant activities of the synthesized acyl bromide and esters have been evaluated using 4th instar larvae Achoea Janatha L.
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