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1-(1-Carboxy-2-R-4-methylcyclohex-4-enyl)carbonyl- and 1-(2-R-4-Methylcyclohex-4-enyl)carbonyl-3,5-dimethyl(diphenyl)pyrazoles

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Abstract

1-(1-Carboxy-2-R-4-methylcyclohex-4-enyl)carbonyl- and 1-(2-R-4-methylcyclohex-4-enyl)carbonyl-3,5-dimethyl(diphenyl)pyrazoles have been obtained from the reaction of monohydrazides of 2-R-methyl-4-cyclohexen-1,1-dicarboxylic acids and hydrazides of 2-R-4-methyl-4-cyclohexen-1-monocarboxylic acids with acetylacetone and dibenzoylmethane. The conditions for the formation of the pyrazoles depend on the nature of the substituents in the hydrazide starting materials and the structure of the 1,3-diketone used.

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Authors and Affiliations

  1. Riga Technical University, Riga, LV-1048, Latvia

    Z. Tetere, D. Zicane, I. Ravina, M. Petrova & E. Gudrinece

  2. BAPEKS Company, Riga, LV-1046, Latvia

    U. Kalejs

Authors
  1. Z. Tetere
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  2. D. Zicane
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  3. I. Ravina
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  4. M. Petrova
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  5. E. Gudrinece
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  6. U. Kalejs
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Tetere, Z., Zicane, D., Ravina, I. et al. 1-(1-Carboxy-2-R-4-methylcyclohex-4-enyl)carbonyl- and 1-(2-R-4-Methylcyclohex-4-enyl)carbonyl-3,5-dimethyl(diphenyl)pyrazoles. Chemistry of Heterocyclic Compounds 38, 677–681 (2002). https://doi.org/10.1023/A:1019961101575

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  • DOI: https://doi.org/10.1023/A:1019961101575

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