Issue 35, 2011

SCS-pincer palladium-catalyzed auto-tandem catalysis using dendritic catalysts in semi-permeable compartments

Abstract

Novel monometallic and dendritic SCS-pincer palladium complexes 2, 3 and 4 have been synthesized in good yields (60–89%) and high purity (palladium loading >97%). These complexes were successfully used as catalysts in the stannylation of cinnamyl chloride with hexamethylditin and in the catalytic auto-tandem reaction consisting of this stannylation followed by an electrophilic addition with 4-nitrobenzaldehyde, showing similar reaction rates and selectivities for all complexes. Dendritic complex 4 has furthermore been used in the compartmentalized catalysis of single and auto-tandem reactions, allowing catalyst reuse for four consecutive runs.

Graphical abstract: SCS-pincer palladium-catalyzed auto-tandem catalysis using dendritic catalysts in semi-permeable compartments

Article information

Article type
Paper
Submitted
24 Mar 2011
Accepted
03 Jun 2011
First published
05 Jul 2011

Dalton Trans., 2011,40, 8896-8905

SCS-pincer palladium-catalyzed auto-tandem catalysis using dendritic catalysts in semi-permeable compartments

N. J. M. Pijnenburg, H. P. Dijkstra, G. van Koten and R. J. M. K. Gebbink, Dalton Trans., 2011, 40, 8896 DOI: 10.1039/C1DT10502G

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