Journal
CATALYSIS LETTERS
Volume 149, Issue 8, Pages 2180-2194Publisher
SPRINGER
DOI: 10.1007/s10562-019-02794-8
Keywords
Magnetic nanocatalyst; Multicomponent reactions; L-DOPA; Fe3O4-DOPA-Cu
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Funding
- Department of Science and technology (DST), India under INSPIRE fellowship scheme [IF140506]
- MNIT Jaipur
- CSIR
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Herein, we are reporting a facile route to synthesize magnetically separable copper loaded L-DOPA functionalized magnetite nanoparticles (Fe3O4-DOPA-CuNPs), which are well characterized by FT-IR, PXRD, SEM, EDAX, HRTEM, XPS, TGA and VSM techniques. This single catalyst exhibits excellent catalytic activity towards (i) synthesis of DHPMs via Biginelli reaction (ii) synthesis of imidazoles (iii) synthesis of 2-amino-4H-chromenes (iv) 1,2,3-triazole derivatives by Click reaction' under microwave irradiation (MWI). Interestingly it can be easily recovered and reused for subsequent cycles for above mentioned four important multicomponent reactions without any significant decrease in its catalytic activity. [GRAPHICS] .
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