Bis-phosphaguanidine and poly-phosphaguanidine ligands with group iv metal catalysts produced therefrom
AssigneeDow Global Technologies LLC
InventorsAndrew M. Camelio, Arkady L. Krasovskiy, Matthew D. Christianson, Robert DJ Froese
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Abstract
Embodiments are directed to bis- and poly-phosphaguanidine compounds, and the metal-ligand complexes formed therefrom, wherein the metal complexes can be used as procatalysts in polyolefin polymerization. Formulas (I) (II) and (III).
Claims27
A phosphaguanidine compound comprising the structure of formula I:
- wherein
- R2, R5, R7, and R9 are independently selected from hydrides, aliphatic moieties, heteroaliphatic moieties, aromatic moieties, or heteroaromatic moieties, or may include a lone pair of electrons;
- R6 is an aliphatic, heteroaliphatic, aromatic, or heteroaromatic moiety;
- R1 and R8 include the same or different moieties selected from aliphatic moieties, heteroaliphatic moieties, aromatic moieties, or heteroaromatic moieties and/or may include a lone pair of electrons;
- Ra1, Ra2, Rb1, and Rb2 are independently selected from aliphatic moieties, heteroaliphatic moieties, aromatic moieties, or heteroaromatic moieties.
(canceled)
A metal-ligand complex comprising the phosphaguanidine compound of formula III:
- where
- R1 and R8 include the same or different moieties selected from hydride, aliphatic, heteroaliphatic, aromatic, and heteroaromatic moieties;
- Ra1, Ra2, Rb1, and Rb2 include the same or different moieties selected from aliphatic moieties, aromatic moieties, or heteroaromatic moieties;
- M is selected from titanium, zirconium, or hafnium;
- each X is independently selected from aliphatic moieties, aromatic moieties, NRN2 moieties or halide moieties, wherein RN is selected from alkyl, aryl, or heteroaryl moieties;
- R6 is selected from an aliphatic moiety, heteroaliphatic moiety, aromatic moiety, or a heteroatom;
- and
- each dotted line optionally defines a bridging connection.
-20. (canceled)
A biphenyl-phosphaguanidine compound comprising the structure of Formula IV:
- where
- G1, G2, G3, G4, G5, G7, G8, G9, G10, and G11 are independently selected from hydrides, alkyl groups, aryl or heteroaryl groups, or guanidine moiety;
- each phenyl ring comprises at least one guanidine moiety, the guanidine moiety comprising the structure of formula V:
- where
- Rd and Re are independently selected from hydrides, aliphatic moieties, heteroaliphatic moieties, aromatic moieties, heteroaromatic moieties, and/or may include lone pair of electrons;
- Rc is selected from hydrides, aliphatic moieties, heteroaliphatic moieties, aromatic moieties, heteroaromatic moieties and/or lone pairs of electrons;
- Ra and Rb are independently selected from aliphatic moieties, heteroaliphatic moieties, aromatic moieties, or heteroaromatic moieties;
- and
- each curved dotted line optionally defines a bridging connection,
- wherein, in cases where there are a plurality of guanidine moieties, Ra, Rb, Rc, Rd, and Re may be the same or different within the plurality of guanidine moieties.
-28. (canceled)
-31. (canceled)
-37. (canceled)
A phosphaguanidine naphthalene compound comprising the structure of formula VI:
- where
- G21, G22, G23, G24, G25, G27, and G28 are independently selected from hydrides, alkyl groups, aryl or heteroaryl groups, or alkylguanidine moieties;
- each phenyl ring comprises at least one guanidine moiety;
- the guanidine moiety comprising the structure of formula V:
- where
- Rd and Re include the same or different moieties selected from hydrides, aliphatic moieties, heteroaliphatic moieties, aromatic moieties, heteroaromatic moieties, and/or may include lone pair of electrons;
- Rc is selected from hydrides, aliphatic moieties, heteroaliphatic moieties, aromatic moieties, heteroaromatic moieties or lone pairs of electrons;
- Ra and Rb include the same or different moieties selected from aliphatic moieties, heteroaliphatic moieties, aromatic moieties, or heteroaromatic moieties;
- and
- each curved dotted line optionally defines a bridging connection,
- wherein, in cases where there are a plurality of guanidine moieties, Ra, Rb, Rc, Rd, and Re may be the same or different within the plurality of guanidine moieties.
-44. (canceled)
-64. (canceled)
Dependencies are inferred from the claim text.