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- Title
The synthesis of 5-amino-1H-pyrazole-4-carbonitriles by anomeric based oxidative aromatization over [CSPy]ZnCl3 as a new catalyst.
- Authors
Moosavi-Zare, Ahmad Reza; Rezaei-Gohar, Mohammad; Tavasoli, Mahsa; Goudarziafshar, Hamid
- Abstract
4-Carboxy-1-sulfopyridin-1-ium monozinc(II) trichloride {[4CSPy]ZnCl3} as a new acidic catalyst was designed and tested on the synthesis of 5-amino-1H-pyrazole-4-carbonitriles by anomeric based oxidative aromatization. The structure of [4CSPy]ZnCl3 was studied by various analyses such as Fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance spectroscopy (1H NMR and 13C NMR), energy-dispersive X-ray spectroscopy, thermal gravimetric analysis, differential thermal gravimetric analysis and mass spectroscopy (MS). The synthesis of 5-amino-1H-pyrazole-4-carbonitriles by anomeric based oxidative aromatization over [CSPy]ZnCl3 as a new catalyst
- Subjects
THERMOGRAVIMETRY; AROMATIZATION; FOURIER transform infrared spectroscopy; MASS spectrometry; DIFFERENTIAL thermal analysis
- Publication
Research on Chemical Intermediates, 2021, Vol 47, Issue 7, p2689
- ISSN
0922-6168
- Publication type
Article
- DOI
10.1007/s11164-021-04437-3