Rearrangements of 1-oxa-2-azoles. 2. Structure and isomerization of pentamethylene-amidoximes of 4-aminofurazan-3-carboxylic acid |
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| Authors: | V. G. Andrianov V. G. Semenikhina A. V. Eremeev |
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| Affiliation: | (1) Institute of Organic Synthesis, Academy of Sciences of the Latvian SSR, 226006 Riga |
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| Abstract: | The Z-oxime of the pentamethyleneamide of 4-aminofurazan-3-carboxylic acid isomerizes — rapidly in acid media, slowly in the absence of acid — to the E-oxime which at 120–140 C undergoes alkali-catalyzed rearrangement to 4-piperidinofurazan-3-carboxyamidoxime.For Communication 1 see [1].Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 122–123, January, 1991. |
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