supported by the National Natural Science Foundation of China (U1162114);the Program for New Century Excellent Talents in University;the Program for New Century Excellent Talents in Heilongjiang Provincial University(NCET-06-010);the Science Foundation of Tianjin University of Science & Technology (20090420)
The synthesis and characterization of a novel trinuclear diphosphinoamine ligand 2 are reported. The ligand combined with Cr(III), activated with methylaluminoxane, lead to highly active and long-lifetime catalytic sy...