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Possible Rearrangements During the Synthesesof Di- and Trisubstituted Pyrazoles

Mögliche Umlagerungen während der Synthese von zwei- und dreifach substituiertenPyrazolen

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Summary.

 The reaction of ethoxymethylene malononitrile and ethoxymethylene cyanoacetic acid ethylester with substituted hydrazines to substituted 5-aminopyrazoles is described. The influence of different substituents on possible migrations during the ring closure was studied..

Zusammenfassung.

 Die Reaktion von Ethoxymethylenmalodinitril und Ethoxymethylencyanessigsäureethylester mit substituierten Hydrazinen zu substituierten 5-Aminopyrazolen wird beschrieben. Der Einfluß unterschiedlicher Substituenten auf mögliche Wanderungen während des Ringschlusses wurde untersucht..

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Authors and Affiliations

  1.  Institute of Organic Chemistry, Karl Franzens University Graz, A-8010 Graz, Austria, AT

    Claudia Reidlinger, Renate Dworczak, Hans Junek & Heinz Graubaum

Authors
  1. Claudia Reidlinger
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  2. Renate Dworczak
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  3. Hans Junek
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  4. Heinz Graubaum
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Additional information

Received July 17, 1998. Accepted (revised) August 10, 1998

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Reidlinger, C., Dworczak, R., Junek, H. et al. Possible Rearrangements During the Synthesesof Di- and Trisubstituted Pyrazoles. Monatshefte fuer Chemie 129, 1313–1318 (1998). https://doi.org/10.1007/PL00010144

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  • DOI: https://doi.org/10.1007/PL00010144

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