Formation of derivatives of n-hydroxyindoles,annelated with furazan and furoxan rings |
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| Authors: | V. A. Samsonov Volodarskii |
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| Affiliation: | (1) Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk |
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| Abstract: | Upon reaction of 4-oxo-5-hydroxyimino-4,5,6,7-tetrahydrobenzofurazan and tetrahydrobenzofuroxan with acetylacetone, 8-acetyl-6-hydroxy-7-methylpyrrolo[2,3-e]benzofurazan and -benzofurazan-3-oxide are formed; and upon reaction with acetoacetate, 8-ethoxycarbonyl-6-hydroxy-7-methylpyrrolo[2,3-e]benzofurazan and -benzofurazan-3-oxide are formed.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1676–1678, December, 1993. |
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