Back to results
US 9,315,526 B2Granted
Pyridyldiamido transition metal complexes, production and use thereof
AssigneeExxonMobil Chemical Patents Inc.
InventorsJohn R. Hagadorn, Patrick J. Palafox
Life of this patent
Estimating the term…
Abstract
Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce high melting point polyolefins.
Claims42
A pyridyldiamido transition metal complex having the general formula (A) or (B):
- wherein:
- M is a Group 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12 metal;
- Q1 is a group that links R2 and Z by a three atom bridge with the central of the three atoms being a group 15 or 16 element that may form a dative bond to M represented by the formula:
- -G1-G2-G3- where G2 is a group 15 or 16 atom, G1 and G3 are each a group 14, 15 or 16 atom, where G1, G2 and G3, or G1 and G2, or G1 and G3, or G2 and G3 may form a singular or multi ring system, and if any of G1 and/or G3 is a group 14 atom then R30 and R31 are bound to such G atom(s), and if any of G1, G2 and/or G3 is a group 15 atom then R30 is bound to such G atom(s), where each R30 and R31 is, independently, hydrogen or a C1 to C100 hydrocarbyl group;
- Q2 is NR17 or PR17, where R17 is selected from cyclic non-aromatic hydrocarbyl groups containin-up to 20 carbon atoms, where the carbon atom bonded to the N or P is not a tertiary carbon atom, and where R17 may be unsubstituted or substituted;
- Q3 is -(TT)- or -(TTT)- where each T is carbon or a heteroatom and said carbon or heteroatom may be unsubstituted or substituted with one or more R30 groups, that together with the “—C-Q3=C—” fragment, forms a 5- or 6-membered cyclic group or a polycyclic group including the 5 or 6 membered cyclic group;
- R1 is selected from the group consisting of hydrocarbyls, and substituted hydrocarbyls, or silyl groups;
- R2 and R10 are each, independently, -E(R12)(R13)— with E being carbon, silicon, or germanium, and each R12 and R13 being independently selected from the group consisting of hydrogen, hydrocarbyls, and substituted hydrocarbyls, alkoxy, silyl, amino, aryloxy, halogen, and phosphino, R12 and R13 may be joined to form a saturated, substituted or unsubstituted hydrocarbyl ring, where the ring has 4, 5, 6, or 7 ring carbon atoms and where substitutions on the ring can join to form additional rings, or R12 and R13 may be joined to form a saturated heterocyclic ring, or a saturated substituted heterocyclic ring where substitutions on the ring can join to form additional rings;
- Z is —(R14)pC—C(R15)q— and R14 and R15 are independently selected from the group consisting of hydrogen, hydrocarbyls, and substituted hydrocarbyls, and wherein adjacent R14 and R15 groups may be joined to form an aromatic or saturated, substituted or unsubstituted hydrocarbyl ring, where the ring has 5, 6, 7, or 8 ring carbon atoms and where substitutions on the ring can join to form additional rings, p is 1 or 2, and q is 1 or 2;
- L is an anionic leaving group, where the L groups may be the same or different and any two L groups may be linked to form a dianionic leaving group;
- n is 0, 1, 2, 3, or 4;
- L′ is neutral Lewis base;
- and
- w is 0, 1, 2, 3 or 4;
- wherein n+w is no greater than 4.
12 more elements
A pyridyldiamido transition metal complex having the general formula (A) or (B):
- wherein:
- M is a Group 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12 metal;
- Q1 is a group that links R2 and Z by a three atom bridge with the central of the three atoms being a group 15 or 16 element that may form a dative bond to M represented by the formula:
- -G1-G2-G3- where G2 is a group 15 or 16 atom, G1 and G3 are each a group 14, 15 or 16 atom, where G 1, G2 and G3, or G1 and G2, or G1 and G3, or G2 and G3 may form a singular or multi ring system, and if any of G1 and/or G3 is a group 14 atom then R30 and R31 are bound to such G atom(s), and if any of G1, G2 and/or G3 is a group 15 atom then R30 is bound to such G atom(s), where each R30 and R31 is, independently, hydrogen or a C1 to C100 hydrocarbyl group;
- Q2 is NR17 or PR17, where R17 is a cyclic aliphatic hydrocarbon group, having an H/C ratio that is 1.66 or more, where the carbon atom bonded to the N or P is not a tertiary carbon atom, and where R17 may be unsubstituted or substituted;
- Q3 is -(TT)- or -(TTT)- where each T is carbon or a heteroatom and said carbon or heteroatom may be unsubstituted or substituted with one or more R30 groups, that together with the “—C-Q3=C—” fragment, forms a 5- or 6-membered cyclic group or a polycyclic group including the 5 or 6 membered cyclic group;
- R1 is selected from the group consisting of hydrocarbyls, and substituted hydrocarbyls, or silyl groups;
- R2 and R10 are each, independently, -E(R12)(R13)- with E being carbon, silicon, or germanium, and each R12 and R13 being independently selected from the group consisting of hydrogen, hydrocarbyls, and substituted hydrocarbyls, alkoxy, silyl, amino, aryloxy, halogen, and phosphino, R12 and R13 may be joined to form a saturated, substituted or unsubstituted hydrocarbyl ring, where the ring has 4, 5, 6, or 7 ring carbon atoms and where substitutions on the ring can join to form additional rings, or R12 and R13 may be joined to form a saturated heterocyclic ring, or a saturated substituted heterocyclic ring where substitutions on the ring can join to form additional rings;
- Z is —(R14)pC—C(R15)q— and R14 and R15 are independently selected from the group consisting of hydrogen, hydrocarbyls, and substituted hydrocarbyls, and wherein adjacent R14 and R15 groups may be joined to form an aromatic or saturated, substituted or unsubstituted hydrocarbyl ring, where the ring has 5, 6, 7, or 8 ring carbon atoms and where substitutions on the ring can join to form additional rings, p is 1 or 2, and q is 1 or 2;
- L is an anionic leaving group, where the L groups may be the same or different and any two L groups may be linked to form a dianionic leaving group;
- n is 0, 1, 2, 3, or 4;
- L′ is neutral Lewis base;
- and
- w is 0, 1, 2, 3 or 4;
- wherein n +w is no greater than 4.
12 more elements
A catalyst system comprising an activator and a pyridyldiamido transition metal complex having the general formula (A) or (B):
- wherein:
- M is a Group 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12 metal;
- Q1 is a group that links R2 and Z by a three atom bridge with the central of the three atoms being a group 15 or 16 element that may form a dative bond to M represented by the formula:
- -G1-G2-G3- where G2 is a group 15 or 16 atom, G1 and G3 are each a group 14, 15 or 16 atom, where G1, G2 and G3, or G1 and G2, or G1 and G3, or G2 and G3 may form a singular or multi ring system, and if any of G1 and/or G3 is a group 14 atom then R30 and R31 are bound to such G atom(s), and if any of G1, G2 and/or G3 is a group 15 atom then R30 is bound to such G atom(s), where each R30 and R31 is, independently, hydrogen or a C1 to C100 hydrocarbyl group;
- Q2 is NR17 or PR17, where R17is selected from the group consisting of cyclopropyl, cyclopentyl, cyclohexyl, cyclooctyl, cyclodecyl, and cyclododecyl, where the carbon atom bonded to the N or P is not a tertiary carbon atom, and where R17 may be unsubstituted or substituted;
- Q3 is -(TT)- or -(TTT)- where each T is carbon or a heteroatom and said carbon or heteroatom may be unsubstituted or substituted with one or more R30 groups, that together with the “—C-Q3=C—” fragment, forms a 5- or 6-membered cyclic group or a polycyclic group including the 5 or 6 membered cyclic group;
- R1 is selected from the group consisting of hydrocarbyls, and substituted hydrocarbyls, or silyl groups;
- R2 and R10 are each, independently, -E(R12)(R13)— with E being carbon, silicon, or germanium, and each R12 and R13 being independently selected from the group consisting of hydrogen, hydrocarbyls, and substituted hydrocarbyls, alkoxy, silyl, amino, aryloxy, halogen, and phosphino, R12 and R13 may be joined to form a saturated, substituted or unsubstituted hydrocarbyl ring, where the ring has 4, 5, 6, or 7 ring carbon atoms and where substitutions on the ring can join to form additional rings, or R12 and R13 may be joined to form a saturated heterocyclic ring, or a saturated substituted heterocyclic ring where substitutions on the ring can join to form additional rings;
- Z is -(R14)pC-C(R15)q- and R14 and R15 are independently selected from the group consisting of hydrogen, hydrocarbyls, and substituted hydrocarbyls, and wherein adjacent R14 and R15 groups may be joined to form an aromatic or saturated, substituted or unsubstituted hydrocarbyl ring, where the ring has 5, 6, 7, or 8 ring carbon atoms and where substitutions on the ring can join to form additional rings, p is 1 or 2, and q is 1 or 2;
- L is an anionic leaving group, where the L groups may be the same or different and any two L groups may be linked to form a dianionic leaving group;
- n is 0, 1, 2, 3, or 4;
- L′ is neutral Lewis base;
- and
- w is 0, 1, 2, 3 or 4;
- wherein n +w is no greater than 4.
12 more elements
Dependencies are inferred from the claim text.