IR and NMR spectral studies of 4-bromo-1-naphthyl chalcones-assessment of substituent effects |
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| Authors: | Thirunarayanan G Gopalakrishnan M Vanangamudi G |
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| Affiliation: | Department of Chemistry, Annamalai University, Annamalainagar 608002, India. drgtnarayanan@gmail.com |
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| Abstract: | Infrared nuCO (cm(-1)) of s-cis and s-trans frequencies and nuclear magnetic resonance chemical shifts delta(1)H (ppm) of H-alpha and H-beta, delta(13)C (ppm) of C-alpha and C-beta data were assigned from their respective spectra of a series of various substituted styryl 4-bromo-1-naphthyl chalcones. These values are correlated with various Hammett substituent constants. From the results of statistical analysis, the effect of substituents can be explained. |
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