Unusual structure and reactions of 1-phenlpyrazol-5-one annulated with 1-methylpiperidine. A rare case of auto-alkylation

The interaction of 1-alkyl-3-alkoxycarbonylpyperidin-4-ones with phenylhydrazine has led to 5-alkyl-2-phenyl-3,3a,4,5,6,7-hexahydro-2 H -pyrazolo-[4,3- c ]pyridin-3-ones. The prepared compounds are unstable and undergo a series of uncommon transformations; their mechanisms have been suggested basing...

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Bibliographic Details
Published in:Russian journal of general chemistry 2013-11, Vol.83 (11), p.2084-2087
Main Authors: Buzykin, B. I., Nabiullin, V. N., Gubaidullin, A. T., Kharlamov, S. V.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
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Summary:The interaction of 1-alkyl-3-alkoxycarbonylpyperidin-4-ones with phenylhydrazine has led to 5-alkyl-2-phenyl-3,3a,4,5,6,7-hexahydro-2 H -pyrazolo-[4,3- c ]pyridin-3-ones. The prepared compounds are unstable and undergo a series of uncommon transformations; their mechanisms have been suggested basing on the structural analysis of the product mixtures.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363213110212