Ultra-high activity non-metallocene pre-catalyst and method for catalytic polymerization of alpha-olefin monomers

A compound of a general formula selected from the group consisting of:

• [{(O)1R1R2R3R4(C6)1(CH2)1(RnY—T)N(CH2)2(C6)2R5R6R7R8(O)2}MX1X2]
• and
• [{(O)1R1R2R3R4(C6)1(CH2)1(RnY—T)N(CH2)2(C6)2R5R6R7R8(O)2}MX3],
• wherein:
• M is a metal atom covalently bonded to each said (O)1 atom and bonded with varying degrees of covalency and coordination to said N atom;
• X1 and X2 are each a univalent anionic ligand covalently bonded to said metal atom;
• X3 is a single divalent anionic ligand covalently bonded to said metal atom;
• (C6)1 is a six carbon aromatic group covalently bonded to (O)1 and covalently bonded to (CH2)1;
• R1 through R4 are each a univalent radical covalently bonded to said (C6)1 group;
• (C6)2 is a six carbon aromatic group covalently bonded to (O)2 and covalently bonded to (CH2)2;
• R5 through R8 are each a univalent radical covalently bonded to said (C6)2 group;
• and
• (RnY—T) is an optional group selected from the group consisting of a non-donor group covalently bonded to said N atom, wherein said non-donor group, T is a covalent bridging group between said N atom and Y, said Y is a group covalently bonded to said T, and, each of at least one Rn is selected from the group consisting of a saturated substituent covalently bonded to said Y, an unsaturated substituent covalently bonded to said Y, and a univalent radical covalently bonded to said Y, and a donor group covalently bonded to said N atom, wherein said donor group, T is a covalent bridging group between said N atom and Y, said Y is a heteroatom covalently bonded to said T and bonded with varying degrees of covalency and coordination to said metal atom, and, optional Rn substituents are selected from the group consisting of at least one saturated substituent covalently bonded to said Y, and at least one unsaturated substituent covalently bonded to said Y.