| 摘要 |
A metal complex comprising a metal compound complexed to a heteroatomic l igand, the metal complex having Structure (X), wherein R1, R2, R3, and R4 ar e each independently an alkyl group, a cycloalkyl group, a substituted cyclo alkyl group, an aromatic group, or a substituted aromatic group, R1c, R2c, R 3c, R4c, and R5c are each independently hydrogen or an alkyl group, and MXp comprises a group IVB, VB, or VIB metal. A metal complex comprising a metal compound complexed to a diphosphino aminyl ligand comprising at least two di phosphino aminyl moieties and a linking group linking each aminyl nitrogen a tom of the diphosphino aminyl moieties. |
