Synthesis and characterization of bidentate rare-earth iminophosphorane o-aryl complexes and their behavior as catalysts for the polymerization of 1,3-butadiene

Article abstract of DOI:10.1021/om300389v

O-Aryllithium complexes are easily prepared from stable aminophosphonium salts, and their coordination to rare-earth metals was studied. The ligand to metal ratio in the formed complexes was shown to depend exclusively on the substituent on the nitrogen a