Journal
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
Volume 22, Issue 2, Pages 319-326Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0103-50532011000200018
Keywords
polystyrene; schiff base; palladium(II) complex; heterogeneous catalysis; Heck reaction
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Funding
- Department of Science and Technology (DST), Council of Scientific and Industrial Research (CSIR)
- University Grant Commission (UGC), New Delhi, India
- University Grants Commission (Eastern Region), India
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The coupling between aryl halides with terminal alkenes (Heck reaction) has been investigated in the presence of a polystyrene-supported Schiff base palladium(II) catalyst. The present catalyst is air and moisture-stable and has significant catalytic activity in Heck cross-coupling reactions under operating conditions. Various aryl halides and terminal alkenes were coupled smoothly under air, to afford the corresponding cross-coupled products in excellent yields. Furthermore, the catalyst can be easily recovered quantitatively by simple filtration and reused up to seven cycles without losing its activity.
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