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- Title
Silica Tungstic Acid as an Efficient and Reusable Catalyst for the One-pot Synthesis of 2-Amino-4H-chromene Derivatives.
- Authors
Farahi, Mahnaz; Karami, Bahador; Alipour, Samambar; Moghadam, Leila Taghavi
- Abstract
Silica tungstic acid (STA) has been found to be an efficient and reusable solid acid catalyst for the synthesis of 2-amino- 4H-chromenes via the three-component reaction of aromatic aldehydes, malononitrile, and β-naphthol. STA as a novel solid acid was characterized by X-ray fluorescence, X-ray diffraction, and Fourier transform infrared spectroscopy.
- Subjects
SILICA; TUNGSTIC acid; CATALYSTS recycling; AMINO acid derivatives; X-ray fluorescence; X-ray diffraction; ACID catalysts; FOURIER transform infrared spectroscopy; HETEROGENEOUS catalysts
- Publication
Acta Chimica Slovenica, 2014, Vol 61, Issue 1, p94
- ISSN
1318-0207
- Publication type
Article