Bis-phosphaguanidine and poly-phosphaguanidine ligands with group IV metal catalysts produced therefrom

A metal-ligand complex comprising the phosphaguanidine compound of formula III:

• where
• R1 and R8 are independently selected from hydride, aliphatic, heteroaliphatic, aromatic, and heteroaromatic moieties;
• Ra1, Ra2, Rb1, and Rb2 are the same or different moieties selected from aliphatic moieties, aromatic moieties, and heteroaromatic moieties;
• M is selected from titanium, zirconium, or hafnium;
• each X is independently selected from aliphatic moieties, aromatic moieties, NRN2 moieties and halide moieties, wherein RN is selected from alkyl, aryl, or heteroaryl moieties;
• R6 is selected from an aliphatic moiety, heteroaliphatic moiety, aromatic moiety, and a heteroatom;
• and
• each dotted line optionally defines a bridging connection.

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 groups, heteroaryl groups, and guanidine moiety;
• each phenyl ring comprises at least one guanidine moiety, the guanidine moiety has a structure according to formula V:
• where
• Rd and Re are independently selected from hydrides, aliphatic moieties, heteroaliphatic moieties, aromatic moieties, heteroaromatic moieties, and lone pair of electrons;
• Rc is selected from hydrides, aliphatic moieties, heteroaliphatic moieties, aromatic moieties, heteroaromatic moieties and lone pairs of electrons;
• Ra and Rb are independently selected from aliphatic moieties, heteroaliphatic moieties, aromatic moieties, and 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.

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 are independently selected from hydrides, aliphatic moieties, heteroaliphatic moieties, aromatic moieties, heteroaromatic moieties, and 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, and 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.