Yana I Sakhno, Maksym Mykhailenko, M. Kolosov, Elena H. Shvets, V. Musatov, N. Chorna, S. Desenko, V. Chebanov
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Condition-based switching the multicomponent reactions of 5-amino-3-(methylthio)-1,2,4-triazole, aromatic aldehydes, and pyruvic acid
The multicomponent reactions of 5-amino-3-methylthio-1,2,4-triazole with aromatic aldehydes and pyruvic acid were studied using conventional thermal heating and ultrasonic activation at room temperature. Under conventional heating, dihydrotriazolopyrimidine derivatives were formed in both two- and three-component treatments. In the case of ultrasonic activation, the multicomponent reaction led to the formation of 7-hydroxytetrahydrotriazolopyrimidines.
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