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Reaction of indolylpyrylium salts with some hydrazine derivatives
Authors:I. V. Shantsevoi  G. I. Zhungietu
Affiliation:(1) Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev
Abstract:The reaction of 4-(3-indolyl)pyrylium salts with phenylhydrazine in alcohol gives 5-(3-indolyl)pyrazoles. The pyrylium salts react with acid hydrazides in refluxing dimethylformamide to give monohydrazones of the pseudobases of these salts (unsaturated 1,5-diketones).Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 184–186, February, 1972.
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