POLYFUNCTIONAL PYRAZOLES. 5. PREPARATIVE SYNTHESIS OF 1-ARYL-4-FORMYLPYRAZOLE-3-CARBOXYLIC ACIDS

Authors

  • М. К. Братенко Bukovinian State Medical University, Chernivtsy 58000
  • М. М. Барус Bukovinian State Medical University, Chernivtsy 58000
  • М. В. Вовк Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Kiev 02094

DOI:

https://doi.org/10.1007/6229

Keywords:

methyl pyruvate N-arylhydrazones, 1-aryl-4-formylpyrazole-3-carboxylic acids, Vilsmeier-Haack reaction

Abstract

Treatment of methyl pyruvate N-arylhydrazones with the Vilsmeier-Haack reagent gave methyl 1-aryl-4‑formylpyrazole-3-carboxylates, basic hydrolysis of which yielded the corresponding acids.

How to Cite
Bratenko, M. K.; Barus, M. M.; Vovk, M. V.  Chem. Heterocycl. Compd. 2009, 45, 1464. [Khim. Geterotsikl. Soedin. 2010, 1817.]

For this article in the English edition see DOI 10.1007/s10593-010-0451-z

 

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Published

2021-03-26

Issue

No. 12 (2009)

Section

Original Papers