Synthesis of 4-amino-4,5-dihydro-1H-1,2,4-triazole-5-ones and their isatin-3-imine derivatives |
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Authors: | Kahveci Bahittin |
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Affiliation: | Department of Chemistry, Rize Faculty of Arts and Science, Karadeniz Technical University, 53100, Rize, Turkey. bahittin@yahoo.com |
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Abstract: | Iminoester hydrochlorides 1 have been synthesized. These compounds were then converted into ester ethoxycarbonyl hydrazones 2, from which in turn a new series of substituted 4-amino-4,5-dihydro-1H-1,2,4-triazole-5-ones, 3, was then prepared.Finally a set of isatin imine derivatives 4 was obtained from the reaction of compounds 3 with isatin. The structures of all the new synthesized compounds were confirmed by elemental analyses, IR, (1)H-NMR and (13)C-NMR spectra. |
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