Synthesis of 4-hydroxy-4,5-dihydro-1,2,4-triazol-5-ones |
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Authors: | A Aykut İkizler Kemal Sancak |
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Institution: | (1) Department of Chemistry, Karadeniz Technical University, 61080 Trabzon, Turkey |
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Abstract: | Summary A series of hydroxamic acid ethoxycarbonylhydrazides was obtained by reactions of ester ethoxycarbonylhydrazones with hydroxylamine. The corresponding 3-substituted 4-hydroxy-4,5-dihydro-1,2,4-triazol-5-ones were synthesized by cyclization of these hydroxamic acid derivatives in basic medium.
Synthesen von 4-Hydroxy-4,5-dihydro-1,2,4-triazol-5-onen Zusammenfassung Durch Reaktion von Esterethoxycarbonylhydrazonen und Hydroxylamin wurde eine Reihe von Hydroxamsäureethoxycarbonylhydraziden gewonnen; Cyclisierung dieser Verbindungen durch Base gab die entsprechenden 3-substituierten 4-Hydroxy-4,5-dihydro-1,2,4-triazol-5-one. |
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Keywords: | Ester ethoxycarbonylhydrazones Hydroxamic acid ethoxycarbonylhydrazides 4-Hydroxy-4 5-dihydro-1 2 4-triazol-5-ones |
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