IR and NMR spectral studies of some 2-hydroxy-1-naphthyl chalcones: Assessment of substituent effects

A series of substituted styryl 2-hydroxy-1-naphthyl ketones have been synthesized by crossed-Aldol condensation reaction. These ketones are characterized by their physical constants, IR and NMR data. The IR carbonyl stretching and deformation modes ν (cm−1) of vinyl portion frequencies and 1H and 13...

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Published in:Arabian journal of chemistry 2016-09, Vol.9 (S1), p.S717-S724
Main Authors: Vanangamudi, Ganesan, Subramanian, Muthuvel, Jayanthi, Palanivel, Arulkumaran, Renganathan, Kamalakkannan, Dakshnamoorthy, Thirunarayanan, Ganesamoorthy
Format: Article
Language:English
Subjects:
Correlation analysis
Hammett substituent constants
IR and NMR spectra
Styryl 2-hydroxy-1-naphthyl ketones
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cited_by cdi_FETCH-LOGICAL-c558t-855290974ab5f5c2d43e841d28e54db6b8771d655d2da21aedeabcb90eb6f3603
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description A series of substituted styryl 2-hydroxy-1-naphthyl ketones have been synthesized by crossed-Aldol condensation reaction. These ketones are characterized by their physical constants, IR and NMR data. The IR carbonyl stretching and deformation modes ν (cm−1) of vinyl portion frequencies and 1H and 13C NMR spectral chemical shifts δ (ppm) of ethylenic protons, carbons and carbonyl carbons are correlated with various Hammett sigma constants, field, and resonance and Swain–Lupton parameters by single and multi-regression analysis. From the statistical analysis the effect of substituents on the group frequencies is studied.
doi_str_mv 10.1016/j.arabjc.2011.07.019
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subjects Correlation analysis
Hammett substituent constants
IR and NMR spectra
Styryl 2-hydroxy-1-naphthyl ketones
title IR and NMR spectral studies of some 2-hydroxy-1-naphthyl chalcones: Assessment of substituent effects
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