Transition metal-catalyzed cross-coupling reactions have emerged as extremely powerful tools in organic synthesis. The development of highly efficient transition metal catalysts remains as one of the important goals in this field. In our laboratory, we interested in developing rigid, site-isolated monodentate ligand-containing polymers as highly efficient ligands for transition metal-catalyzed cross-coupling reactions. Our ongoing effort focuses on understanding the nature of the Pd(0) catalyst system derived from rigid, site-isolated monophosphine-containing polymers, In this presentation, the synthesis and study of a series of bisphosphine-containing molecules including polymers will be described.
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