Synthesis of polyhydroquinolines and propargylamines through one-pot multicomponent reactions using an acidic ionic liquid immobilized onto magnetic Fe 3 O 4 as an efficient heterogeneous catalyst under solvent-free sonication

A nano-sized Fe O -supported Lewis acid ionic liquid catalyst for the synthesis of polyhydroquinolines and propargylamines under ultrasound irradiation has been developed. LAIL@MNP was synthesized from imidazolium chlorozincate(ii) ionic liquid grafted onto the surface of Fe O nanoparticles and eval...

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Bibliographic Details
Published in:RSC advances 2020-07, Vol.10 (42), p.25358-25363
Main Authors: Nguyen, Hai Truong, Truong, Vy Anh, Tran, Phuong Hoang
Format: Article
Language:English
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Summary:A nano-sized Fe O -supported Lewis acid ionic liquid catalyst for the synthesis of polyhydroquinolines and propargylamines under ultrasound irradiation has been developed. LAIL@MNP was synthesized from imidazolium chlorozincate(ii) ionic liquid grafted onto the surface of Fe O nanoparticles and evaluated by FT-IR, TGA, SEM, Raman, TEM, ICP-OES, and EDS. The multicomponent synthesis of polyhydroquinolines and propargylamines proceeded smoothly to afford the desired products in high yields. LAIL@MNP can be separated easily from the reaction mixture and reused for several runs without a significant degradation in catalytic activity.
ISSN:2046-2069
2046-2069
DOI:10.1039/d0ra04008h