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- Title
ZrCl<sub>4</sub>-catalysed synthesis of new 4-(2-hydroxyphenyl)pyrazolo[3,4-b]pyridine derivatives.
- Authors
Liu, Meilin; Yin, Guodong
- Abstract
In the presence of a catalytic amount of zirconium(IV) chloride, an efficient synthesis of new 4-(2-hydroxyphenyl)pyrazolo[3,4-b]pyridines has been developed by the reaction 2-hydroxychalcones with 3-methyl-1-phenyl-1H-pyrazol-5-amine in refluxing ethanol. All these novel compounds have been characterised by 1H NMR, 13C NMR, HRMS, IR spectra and X-ray crystallographic analysis.
- Subjects
CHEMICAL synthesis; CATALYSIS; PYRIDINE derivatives; ZIRCONIUM chlorides; PYRAZOLES; AMINES; NUCLEAR magnetic resonance spectroscopy; X-ray crystallography
- Publication
Journal of Chemical Research, 2015, Vol 39, Issue 5, p263
- ISSN
1747-5198
- Publication type
Article
- DOI
10.3184/174751915X14296297811712