Cyclic hydrazides. 2. Synthesis of substituted 4-hydroxy-1-oxo-1,2-dihydropyridazone[4,5-<i>b</i>]quinoline 5-oxides

Authors

  • E. Рожков Latvian Institute of Organic Synthesis, Riga LV-1006
  • И. Пискyнова Latvian Institute of Organic Synthesis, Riga LV-1006
  • М. Гольд Merz and Co., 111353, 60048 Frankfurt am Main
  • И. Калвиньш Latvian Institute of Organic Synthesis, Riga LV-1006

Abstract

Reaction of N-oxides of dimethyl quinoline-2,3-dicarboxylates with hydrazine and subsequent oxidation with peracetic acid has been given quinoline-2,3-dicarboxylic acid hydrazide 5-oxides, from which water soluble quaternary ammonium salts can be prepared.

How to Cite
Rozhkov, E.; Piskunova, I.; Gol'd, M.; Kalvinsh, I. Chem. Heterocycl. Compd. 1998, 34, 222. [Khim. Geterotsikl. Soedin. 1998, 34, 247.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF02315189

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Published

1998-02-25

Issue

No. 2 (1998)

Section

Original Papers