Abstract
Aminomethylphosphine (P–C–N) type ligands, (Ph2PCH2)2NR R = –(CH2)3Si(OEt3)3 or –CH2CH2OH, and their Pd(II) complexes have been synthesized. All the compounds were characterized by 1H-, 31P-NMR, and elemental analysis. The complexes are proposed to have a square planar geometry. They were investigated as catalysts for the Heck reaction of aryl halides (I, Br, Cl) with methyl acrylate. Both complexes showed high activity to give methyl cinnamate in good yields, with the best turnover numbers found for [PdCl2(Ph2PCH2)2N(CH2)3Si(OEt)3].
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Acknowledgments
We would like to thank Dr Arif Hesenov for GC analysis. The authors are also thankful to Research Fund of Çukurova University and the Scientific and Technological Research Council of Turkey for financial support to this project.
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Keleş, M., Keleş, T. & Serindağ, O. Palladium complexes with bis(diphenylphosphinomethyl)amino ligands and their application as catalysts for the Heck reaction. Transition Met Chem 33, 717–720 (2008). https://doi.org/10.1007/s11243-008-9101-z
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DOI: https://doi.org/10.1007/s11243-008-9101-z