SYNTHESIS OF 1-ACYL-5-AMINO-4-ETHOXYCARBONYLPYRAZOLES FROM MONOHYDRAZIDES OF CYCLOHEXENEDICARBOXYLIC ACIDS AND ETHYL ETHOXYMETHYLENECYANOACETATE

Authors

  • Д. Зицане Riga Technical University, LV-1048 Riga
  • З. Тетере Riga Technical University, LV-1048 Riga
  • И. Равиня Riga Technical University, LV-1048 Riga
  • М. Петрова Riga Technical University, LV-1048 Riga

DOI:

https://doi.org/10.1007/8186

Keywords:

hydrazides, pyrazoles, cyclohexenedicarboxylic acid, ethyl ethoxymethylenecyanoacetate

Abstract

Heating monohydrazides of cyclohexenedicarboxylic acids with ethyl ethoxymethylenecyanoacetate at reflux gives the corresponding N-substituted hydrazides.  This reaction carried out in pyridine gives 1-acyl-5-amino-4-ethoxycarbonylpyrazoles.

How to Cite
Zicane, D.; Tetere,Z.;  Ravina, I.; Petrova, M.  Chem. Heterocycl. Compd. 2005, 41, 1130. [Khim. Geterotsikl. Soedin. 2005, 1332.]

For this article in the English edition, see DOI 10.1007/s10593-005-0291-4


Published

2023-10-20

Issue

Section

Original Papers