IR and NMR spectral studies of 4-bromo-1-naphthyl chalcones-assessment of substituent effects.
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.
Thirunarayanan
G
G
Department of Chemistry, Annamalai University, Annamalainagar 608002, India. drgtnarayanan@gmail.com
Gopalakrishnan
M
M
Vanangamudi
G
G
D047188:Chalcones / Q000032:analysis* / Q000737:chemistry; D007659:Ketones / Q000032:analysis* / Q000737:chemistry; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D013055:Spectrophotometry, Infrared
D047188:Chalcones; D007659:Ketones