Add time:09/01/2019         Source:sciencedirect.com

Macrocyclic phosphine compounds are sought after as ligands for transition metal complexes because of their strong binding properties. As such, these ligands are particularly useful in applications where robust transition metal–phosphine complexes are employed, as in homogeneous catalysis or in radiopharmaceuticals. This review summarizes the development of macrocyclic phosphine ligands, including their preparation and coordination to transition metals. Synthetic methods for the preparation of phosphine macrocycles are discussed, including methods for controlling ring size and stereochemistry. The coordination chemistry of macrocyclic phosphines is also reviewed. Many phosphine macrocycles are synthesized by template methods, and methods for removing the templating metal from the macrocyclic ligand are reviewed.

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