Impregnated copper on magnetite: an efficient and green catalyst for the multicomponent preparation of propargylamines under solvent free conditions

María J. Aliaga; Diego J. Ramón; Miguel Yus

doi:10.1039/B917923B

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Organic & Biomolecular Chemistry

Issue 1, 2010

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Impregnated copper on magnetite: an efficient and green catalyst for the multicomponent preparation of propargylamines under solvent free conditions

María J. Aliaga , Diego J. Ramón and Miguel Yus

Org. Biomol. Chem., 2010, 8, 43-46

DOI: 10.1039/B917923B
Received 01 Sep 2009, Accepted 06 Nov 2009
First published on the web 16 Nov 2009

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Impregnated copper on magnetite is a versatile, inexpensive and simple catalyst for the selective multicomponent reaction of terminal alkynes, aldehydes and secondary amines to give the corresponding propargylamines with excellent yields. The catalyst can be easily recovered and reused by using a simple magnet. The process could be repeated up to ten times without losing its activity.

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Organic & Biomolecular Chemistry

Impregnated copper on magnetite: an efficient and green catalyst for the multicomponent preparation of propargylamines under solvent free conditions

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