Abstract
Two new tri-p-tolylphosphine-cyclopalladated ferrocenylpyrimidine complexes 1 and 2 have been prepared in good yields by reaction of the corresponding chloride-bridged palladacyclic dimers 1a and 2a with tri-p-tolylphosphine. Complexes 1 and 2 were characterized by elemental analysis, IR, 1H NMR, and ESI–MS. Additionally, their crystal structures have been determined by X-ray diffraction, and intermolecular C–H···Cl hydrogen bonds were found in their crystals. Complex 1 was found to be a palladacycle cocrystallization adduct with {PdCl2[P(C6H4-p-Me)3]2}. These complexes were found to be efficient catalysts for the Suzuki reaction.
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Acknowledgments
We are grateful to the National Natural Science Foundation of China (No. 20902043) and the Natural Science Foundation of Henan Province and Henan Education Department, China (No. 102300410220 and 2009B150019) for financial support of this work.
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Xu, C., Lu, YX., Lou, XH. et al. Tri-p-tolylphosphine-cyclopalladated ferrocenylpyrimidine complexes: synthesis, crystal structures, catalytic activity, and a palladacycle cocrystallization adduct. Transition Met Chem 36, 637–642 (2011). https://doi.org/10.1007/s11243-011-9513-z
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DOI: https://doi.org/10.1007/s11243-011-9513-z