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Facile synthesis of novel 3-substituted pyrido[1,2-a]pyrimidinium salts using vinamidinium salts
Authors:Enayatollah Bahman Jahromi  Najmeh Nowrouzi
Institution:Chemistry Department, Faculty of Sciences, Persian Gulf University, Bushehr, Iran
Abstract:Pyrido1,2-a]pyrimidinium salt derivatives 2a–f were prepared in good yields by condensation of 2-aminopyridine with 2-substituted vinamidinium salt derivatives 1a–f. The purity and the structure of the synthetized compounds were ascertained by elemental analysis, mass spectrometry, infrared, and NMR (¹H and ¹³C 400?MHz) spectroscopy.
Keywords:2-Amino pyridine  3-substituted pyrido[1  2-a]pyrimidinium salt derivatives  Vilsmeier reaction  vinamidinium salts
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