Abstract:Eight series of pyrimidine‐5‐carboxamides were synthesized and characterized by FT‐IR, 1H NMR, 13C NMR spectroscopies, HR‐MS and elemental analysis. To encourage experimental confirmations, molecular electronic structure calculations and harmonic vibrational frequencies of compounds (theoretical computations) were carried out with the DFT/B3LYP method at the 6–311G++(d,p) basis set. The selected important assignments‐computed harmonic vibrational wavenumbers of compounds were defined by using potential energy … Show more
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