限定几何形状的金属-配体络合物及其在烯烃聚合中的用途

CLAIMS What is claimed is : 1. A metal-ligand complex comprising a transition metal atom or a lanthanide metal atom and a ligand having a structure represented by Formula 1 Formula 1 wherein : R1 and R2 are independently hydrogen or a C1-C14 hydrocarbyl group; RJ and R4 are independently hydrogen or a C1-C14 hydrocarbyl group, or R3 and R4 are joined together to form an optionally substituted 6-membered aromatic ring; R5 is hydrogen, C1-C10 alkyd, C3-C10 cycloalkyl, C6-C30 aryl, a heteroaryl group, or CN, provided that R5 is C3-C10 cycloalkyd, C6-C30 aryl, a heteroaryl group, or CN if the transition metal atom is Ti or Zr and R3 and R4 are joined together to form a 6-membered aromatic ring, or provided that R5 is C1-C10 alkyl, C3-C10 cycloalkyl, C6-C30 aryl, a heteroaryl group, or CN if the transition metal atom is Ti or Zr and R 1 -R4 are all H; R6 and R7 are independently hydrogen or a C1-C14 hydrocarbyl group; and Z is a bridging atom. 2. The metal-ligand complex of claim 1, wherein the metal-ligand complex has a structure represented by Formula 1 A wherein : M is the transition metal atom or the lanthanide metal atom; and X is independently a leaving group, or two Xs are joined and bound to M to form a metallocycle ring, a chelating ligand, a diene ligand, or an alkylidene. 3. The metal-ligand complex of claim 2, wherein each X independently comprises a C1-C20 hydrocarbyl group, a hydride, an alkoxide, a sulfide, a phosphide, a halide, a diene, an amine, a phosphine, an ether, or any combination thereof 4. The metal-ligand complex of claim 2, wherein each X is dimethylamido or bis(dimethylsilylamido). 5. The metal-ligand complex of claim 2, wherein M is a Group 4 transition metal, a lanthanide, or chromium. 6. The metal -ligand complex of claim 2, wherein M is hafnium, chromium, neodymium, or lanthanum. 7. The metal-ligand complex of claim 1, wherein the metal-ligand complex has a structure represented by one or more of Formulas 3-5 Formula 5 8. The metal-ligand complex of claim 1, wherein Z is CH2. 9. The metal-ligand complex of claim 1, further comprising : a solvent or a Lewis base complexed to the transition metal atom or the lanthanide metal atom as a second ligand. 10. The metal-ligand complex of claim 1, wherein R1, R2, R6, and R7 are independently hydrogen, C1-C10 alkyl, or Ce-Cio aryl. 11. The metal-ligand complex of claim 1, wherein R1 and R2 are independently hydrogen, methyl, or optionally substituted phenyl. 12. The metal-ligand complex of claim 1, wherein R6 and R7 are both H. 13. The metal-ligand complex of claim 1, wherein R3 and R4 are independently hydrogen, C1-C10 alkyl, or Ce-Cio aryl. 14. The metal-ligand complex of claim 1, wherein R3 and R4 are independently hydrogen, methyl, or optionally substituted phenyl. 15. The metal-ligand complex of claim 1, wherein R3 and R4 are not joined together to form an optionally substituted 6-membered aromatic ring. 16. The metal-ligand complex of claim 1, wherein R3 and R4 are joined together to form an optionally substituted 6-membered aromatic ring, and R5 is Ci-Cio alkyl or Ce-Cso aryl. 17. The metal -ligand complex of claim 1, wherein R5 is t-butyl or optionally substituted phenyl. 18. A catalyst system comprising : at least one activator; and a metal-ligand complex comprising a transition metal atom or a lanthanide metal atom and a ligand having a structure represented by Formula 1 wherein : R1 and R2 are independently hydrogen or a C1-C14 hydrocarbyl group; RJ and R4 are independently hydrogen or a C1-C14 hydrocarbyl group, or R3 and R4 are joined together to fomi an optionally substituted 6-membered aromatic ring; R5 is hydrogen, C1-C10 alkyd, C3-C10 cycloalkyl, C6-C30 aryl, a heteroaryl group, or CN, provided that R5 is C3-C10 cycloalkyd, C6-C30 aryl, a heteroaryl group, or CN if the transition metal atom is Ti or Zr and R3 and R4 are joined together to form a 6-membered aromatic ring, or provided that R5 is C1-C10 alkyl, C3-C10 cycloalkyl, C6-C30 aryl, a heteroaryl group, or CN if the transition metal atom is Ti or Zr and R 1 -R4 are all H; R6 and R7 are independently hydrogen or a C1-C14 hydrocarbyl group; and Z is a bridging atom. 19. The catalyst system of claim 18, wherein the metal-ligand complex has a structure represented by Formula 1 A wherein : M is the transition metal atom or the lanthanide metal atom; and X is independently a leaving group, or two Xs are joined and bound to M to form a metallocycle ring, a chelating ligand, a diene ligand, or an alkylidene. 20. The catalyst system of claim 19, wherein each X independently comprises a C1-C20 hydrocarbyl group, a hydride, an alkoxide, a sulfide, a phosphide, a halide, a diene, an amine, a phosphine, an ether, or any combination thereof. 21. The catalyst system of claim 19, wherein each X is dimethylamido or bis(dimethylsilylamido). 22. The catalyst system of claim 19, wherein M is a Group 4 transition metal, a lanthanide, or chromium. 23. The catalyst system of claim 19, wherein M is hafiiium, chromium, neodymium, or lanthanum. 24. The catalyst system of claim 18, wherein Z is CH2. 25. The catalyst system of claim 18, wherein R1, R2, R6, and R7 are independently hydrogen, C1-C10 alkyl, or Ce-Cio aryl. 26. The catalyst system of claim 18, wherein R3 and R4 are independently hydrogen, C1-C10 alkyl, or Cg-Cio aryl. 27. The catalyst system of claim 18, wherein R3 and R4 are not joined together to form an optionally substituted 6-membered aromatic ring. 28. The catalyst system of claim 18, wherein R3 and R4 are joined together to form an optionally substituted 6-membered aromatic ring, and R5 is C1-C10 alkyl or C6-C30 aryl. 29. The catalyst system of claim 18, wherein the at least one activator comprises an alumoxane, a non-coordinating anion, or any combination thereof. 30. A method comprising : providing an olefinic feed; and contacting the catalyst system of claim 18 with the olefinic feed under polymerization reaction conditions. 31. The method of claim 30, wherein the metal -ligand complex has a structure represented by Formula 1A wherein : M is the transition metal atom or the lanthanide metal atom; and X is independently a leaving group, or two Xs are joined and bound to M to form a metallocycle ring, a chelating ligand, a diene ligand, or an alkylidene.