Substituent Effect on the Infrared Spectra of Thiazolyl Styryl Ketone
R. Rajalakshmi *
Department of Chemistry, Annamalai University, Annamal Ainagar - 608002,Tamil Nadu, India.
S. Ramkumar
Department of Chemistry, Annamalai University, Annamal Ainagar - 608002,Tamil Nadu, India.
R. Arulmani
Department of Chemistry, Annamalai University, Annamal Ainagar - 608002,Tamil Nadu, India.
*Author to whom correspondence should be addressed.
Abstract
A series of p-substituted thiazolyl styryl ketones were synthesized by the Claisen -Schmidt condensation of various substituted benzaldehydes with 5-acetyl-2,4-dimethyl thiazole. The IR spectra for all the chalcones were recorded and effect of substituent on the carbonyl and C=N stretching frequencies are analyzed.
Keywords: Thiazolyl styryl ketones, chalcones, IR spectra, stretching frequency