Synthesis and structure of new 1,2,4-triazoles derived from p-hydroxybenzoic acid hydrazide
О. А. НуркеновInstitute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, ul. Alikhanova 1, Karaganda, 100008, KazakhstanС. Д. ФазыловInstitute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, ul. Alikhanova 1, Karaganda, 100008, KazakhstanЖ. Б. СатпаеваInstitute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, ul. Alikhanova 1, Karaganda, 100008, KazakhstanК. М. ТурдыбековG.Zh. KaripovaInstitute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, ul. Alikhanova 1, Karaganda, 100008, KazakhstanА. Ж. ИсаеваInstitute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, ul. Alikhanova 1, Karaganda, 100008, KazakhstanS. A. TalipovSadykov Institute of Bioorganic Chemistry, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanБ. Т. ИбрагимовSadykov Institute of Bioorganic Chemistry, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
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Hydrolysis of thiosemicarbazides obtained by reacting p-hydroxybenzoic acid hydrazide with alkyl isocyanates occurs via intramolecular heterocyclization affording substituted 4-3-(4-hydroxyphenyl)-1H-1,2,4-triazole-5(4H)-thiones in a high yield.
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