SYNTHESIS OF NOVEL POLYCYCLIC RING SYSTEMS CONTAINING TWO PYRANO[2,3-<i>c</i>]PYRAZOL-4(1H)-ONE MOIETIES

Authors

  • G. A. Eller Department of Drug and Natural Product Synthesis, University of Vienna, 90 Vienna
  • V. Wimmer Department of Drug and Natural Product Synthesis, University of Vienna, 90 Vienna
  • W. Holzer Department of Drug and Natural Product Synthesis, University of Vienna, 90 Vienna

DOI:

https://doi.org/10.1007/7428

Keywords:

pyrazolones fused ring systems, acylations

Abstract

Novel penta- or heptacyclic ring  systems containing two pyrano[2,3-c]pyrazol-4(1H)-one units are prepared in one or two steps from the reaction of 3-methyl-1-phenyl-2-pyrazolin-5-one and bis(o-chlorocarbonyl chlorides) derived from benzene- or 1,10-phenanthroline.

How to Cite
Eller,  G. A.; Wimmer,  V.; Holzer, W.  Chem. Heterocycl. Compd. 2007, 43, 1060. [Khim. Geterotsikl. Soedin. 2007, 1251.]

For this article in the English edition see DOI 10.1007/s10593-007-0165-z

Published

2023-02-02

Issue

Section

Original Papers