Articles written in Journal of Chemical Sciences
Volume 129 Issue 4 April 2017 pp 457-462 Regular Article
This article is the first report of the catalytic application of copper ferrite-coated chitosan in organic reactions as a bio-nanocomposite. CuFe2O4/chitosan was used as a hybrid nanocatalyst for the multicomponent Strecker synthesis of α-aminonitriles by using aryl aldehydes, trimethylsilyl cyanide (TMSCN) and aromatic amines at room temperature in ethanol as a green solvent. The catalyst was characterized by Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), field-emission scanning electron microscopy (FE-SEM) and energy-dispersive X-ray spectroscopy (EDX) analyses. The nanocatalyst was recovered and reused several times without significant loss of catalytic activity. The organic products were obtained easily without need for column chromatography in good-to-excellent yields.
Volume 129 Issue 12 December 2017 pp 1883-1891 REGULAR ARTICLE
Aqueous formic acid (37%) as a green organocatalystwas used to synthesis of α-aminophosphonates in one-pot, three-component Kabachnik–Fields reaction. The structures of compounds were determined by FTIR, ¹H-NMR and ¹³C-NMR spectroscopy. After optimization of the experimental conditions, the reaction was carried out at 65 ◦C under solvent- free condition. Use of a nontoxic effective organocatalyst, easy work up process and low-cost cleaning procedure are from the main advantages of this research.
Volume 134, 2022
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