The simple α- and γ-pyrones and the substituted 6-methyl, 4-hydroxy and 4-methoxy α-pyrones were investigated in relation to their spectroscopic properties. The characterization involves vibrational and electronic spectroscopy. IR spectra for the ground electronic state of the studied compounds at room temperature were obtained and interpreted taking into consideration the simulated ab initio (6-31G∗) data. The...
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