Preparation of Ag2S Nanoparticles and using as Catalyst for the A 3-coupling (Aldehyde-Amine-Alkyne) Reaction

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Torabi Parviz; MORADIAN MOHSEN

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Journal Paper

Paper Information

Journal: JOURNAL OF NANOSTRUCTURES Year:2019 | Volume:9 | Issue:3 Page(s): 478-488

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Information Journal Paper

Title

Preparation of Ag2S Nanoparticles and using as Catalyst for the A 3-coupling (Aldehyde-Amine-Alkyne) Reaction

Author(s)

Torabi Parviz | MORADIAN MOHSEN | Issue Writer Certificate

Keywords

A3-coupling

Nanocatalyst

Nanoparticles

Propargylamine

Silver Sulfide

Abstract

Microwave assisted facile one-step approach was adopted to prepare mono-dispersed Silver Sulfide Nanoparticles. The structures of the synthesized Ag2S Nanoparticles were confirmed by Fourier-transform infrared spectroscopy (FT-IR), diffuse reflectance UV-vis spectroscopy (DRS), X-ray diffractometer (XRD), energy dispersive X-ray analysis (EDX) and transmission electron microscope (TEM). The prepared Ag2S nanoparti-cles (NPs) were successfully used as a heterogeneous catalyst in the onepot three-component coupling reaction of aldehydes, amines and alkynes (A 3-coupling) toward Propargylamines. In this protocol, both aromatic and aliphatic aldehydes and secondary amines were reacted with terminal alkynes in the presence of Ag2S NPs at low catalytic loading (0. 5 mol %) that led to the rapid and efficient formation of Propargylamines with good to excellent yields. The A 3-coupling reaction occurred effectively at 80 o C under solvent-free conditions. The catalyst is easy to prepare and is perfectly stable under the reaction conditions. Also, the Ag2S NPs catalyst can be easily recovered and reused several times and exhibited higher catalytic activity than other some commercially catalysts.

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APA: Copy

Torabi, Parviz, & MORADIAN, MOHSEN. (2019). Preparation of Ag2S Nanoparticles and using as Catalyst for the A 3-coupling (Aldehyde-Amine-Alkyne) Reaction. JOURNAL OF NANOSTRUCTURES, 9(3), 478-488. SID. https://sid.ir/paper/743989/en

Vancouver: Copy

Torabi Parviz, MORADIAN MOHSEN. Preparation of Ag2S Nanoparticles and using as Catalyst for the A 3-coupling (Aldehyde-Amine-Alkyne) Reaction. JOURNAL OF NANOSTRUCTURES[Internet]. 2019;9(3):478-488. Available from: https://sid.ir/paper/743989/en

IEEE: Copy

Parviz Torabi, and MOHSEN MORADIAN, “Preparation of Ag2S Nanoparticles and using as Catalyst for the A 3-coupling (Aldehyde-Amine-Alkyne) Reaction,” JOURNAL OF NANOSTRUCTURES, vol. 9, no. 3, pp. 478–488, 2019, [Online]. Available: https://sid.ir/paper/743989/en

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