Maryam Shokoohian, N. Hazeri, M. Maghsoodlou
Dec 2, 2019
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Journal
Monatshefte für Chemie - Chemical Monthly
Abstract
Heterocyclic 1,2,4-triazoles and their derivatives, such as triazolopyridines, have been used as leading components for the synthesis of numerous heterocyclic compounds; and because of their various biological activities, they have a distinct location in pharmaceutical and medicinal chemistry. In this article, we demonstrate a new way of synthesizing 1,2,4-triazolo[1,5-a]pyridine derivatives, as a one-pot pseudo-three-component reaction, via the reaction of pyridine-2-(1H)-one derivatives and 1,4-cyclohexadione in the adjacency of acetic acid both as solvent and an inexpensive and green catalyst at 50 °C. The desired products were synthesized in good yields, and the chemical structure of the synthesized compounds was recognized using 1H and 13C NMR spectra, FT-IR, melting point, mass spectroscopy, and elementary analysis.Graphic abstract