Eggshell-supported-Cu(II) salophen complex: An efficient and green catalyst for synthesis of propargylamines under solvent-free conditions
محورهای موضوعی : Iranian Journal of Catalysis
Mohammad Bakherad
1
(
School of Chemistry, Shahrood University of Technology, Shahrood, Iran.
)
Ali Keivanloo
2
(
School of Chemistry, Shahrood University of Technology, Shahrood, Iran.
)
Amir Hossein Amin
3
(
School of Chemistry, Shahrood University of Technology, Shahrood, Iran.
)
Raheleh Doosti
4
(
School of Chemistry, Shahrood University of Technology, Shahrood, Iran.
)
Ommolbanin Hoseini
5
(
School of Chemistry, Shahrood University of Technology, Shahrood, Iran.
)
کلید واژه: Aldehyde, amine, Eggshell-supported-Cu(II) catalyst, Alkyne, propargylamine,
چکیده مقاله :
In this report, the synthesis, characterization, and application of the eggshell-supported-Cu(II) salophen complex, as a novel and heterogeneous catalyst, is described. The catalyst is characterized by the UV, XRD, FT-IR, and SEM techniques. The eggshell-supported-Cu(II) salophen complex is a versatile, green, inexpensive, and simple catalyst used for the multi-component reactions (MCRs) of terminal alkynes, aldehydes, and secondary amines to give the corresponding propargylamines at 80 °C under the solvent-free conditions. The proposed methodology offers several advantages such as excellent product yield, simple procedure, and mild conditions. On the other hand, the synthesized catalyst could be removed from the reaction mixture by simple filtration, and reused for up to six runs.
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