4-HYDROXY-2-QUINOLONES. 43. THERMOLYSIS OF ETHYL ESTERS OF 1-R-2-OXO-4-HYDROXY-QUINOLINE-3-CARBOXYLIC ACIDS

Authors

  • И. В. Украинец National Pharmaceutical Academy of Ukraine
  • Е. А. Таран National Pharmaceutical Academy of Ukraine
  • О. В. Шишкин Institute of Single Crystals, National Academy of Sciences of Ukraine, Kharkov
  • О. В. Горохова National Pharmaceutical Academy of Ukraine
  • С. Г. Таран National Pharmaceutical Academy of Ukraine
  • Нидаль Амин Джарадат National Pharmaceutical Academy of Ukraine
  • А. В. Туров Taras Shevchenko Kiev State university

DOI:

https://doi.org/10.1007/182

Keywords:

3-carbethoxy-4-hydroxy-2-quinolone, quinolinopyran, thermolysis, X-ray diffraction analysis

Abstract

Ethyl esters of 1-R-2-oxo-4-hydroxyquinoline-3-carboxylic acids under thermolysis conditions are converted to 5,9-di-R-6,7,8-trioxodiquinolino[3,4-b;3',4'-e]-4H-pyrans. One of the synthesized compounds was studied by X-ray diffraction.

Authors: I. V. Ukrainets, E. A. Taran, O. V. Shishkin, O. V. Gorokhova, S. G. Taran, N. A. Jaradat, and A. V. Turov.

English Translation in Chemistry of Heterocyclic Compounds, 2000, 36 (4), pp 443-448

http://link.springer.com/article/10.1007/BF02269543

Published

2013-01-22

Issue

Section

Original Papers