Elsevier

Tetrahedron Letters

Volume 54, Issue 38, 18 September 2013, Pages 5192-5196
Tetrahedron Letters

Heck and Sonogashira cross-coupling reactions using recyclable Pd–Fe3O4 heterodimeric nanocrystal catalysts

https://doi.org/10.1016/j.tetlet.2013.07.057Get rights and content

Abstract

We have developed a convenient Pd–Fe3O4 heterodimeric nanocrystal catalyst system for Heck and Sonogashira reactions. This catalyst offers an environment-friendly, atom-efficient, and robust catalytic system for both reactions. Furthermore the nanocrystal catalyst could be easily separated by an external magnet and recycled six times without losing its catalytic activity.

Section snippets

Acknowledgments

B.M.K. thanks Mid-career Researcher Program through NRF grant funded by the MEST (No. 2011-0016187). Support for this work was also provided through the BRL (Basic Research Laboratory) program of the NRF (National Research Foundation) of Korea.

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