Spectral LFER studies in some N-(substituted phenyl) formamides

Ganesamoorthy Thirunarayanan, Inasekaran Muthuvel, Vasudevan Sathiyendiran

Abstract


A series of N-(substituted phenyl) formamides were synthesised by sulphated titania (TiO2-SO4 2-) catalyzed formylation of substituted anilines and formic acid in acetonitrile medium at room temperature. The synthesised formamide derivatives are characterized by their spectral data. The infrared νNH, CO (cm-1) stretches, chemical shifts(δ, ppm) of NH, COH and ipso carbons(Ar-C-NH) were assigned and correlated with Hammett substituent constants using single and multi-regression analysis. From the results of statistical analyses, the effect of substituents on the spectral data have been studied.

Keywords


N-(Substituted phenyl)formamides; Sulphated titania(TiO2-SO4–-); IR and NMR spectra; Anilines; Hammett correlations.

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DOI: http://dx.doi.org/10.17951/aa.2015.70.2.31
Date of publication: 2016-02-15 12:20:02
Date of submission: 2016-02-15 10:40:02


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