POLYFUNCTIONAL PYRAZOLES. 2. 1-ARYL-3-BENZOYL-4-FORMYL- AND 4-CARBOXYPYRAZOLES

Authors

  • М. К. Братенко Bukovinian State Medicinal Academy, Chernovtsy 274000
  • В. А. Чорноус Bukovinian State Medicinal Academy, Chernovtsy 274000
  • М. В. Вовк Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Kiev 263660

Keywords:

propiophenone hydrazones, carboxypyrazoles, formylpyrazoles, Vilsmeier-Haack reaction

Abstract

Cyclization of 1-phenylpropane-1,2-dione monoarylhydrazones under Vilsmeier-Haack conditions gave 1-aryl-3-benzoyl-4-formylpyrazoles which were converted to 1-aryl-3-benzoyl-4-carboxypyrazoles using potassium permanganate in aqueous pyridine medium.

How to Cite
Bratenko, M. K.; Chornous, V. A.; Vovk, M. V. Chem. Heterocycl. Compd. 2001, 37, 467. [Khim. Geterotsikl. Soedin. 2001, 515.]

For this article in the English edition, see DOI https://doi.org/10.1023/A:1017651904859

 

Downloads

Published

2001-04-25

Issue

No. 4 (2001)

Section

Original Papers