Abstract:
The present invention relates to a A metal complex of formula (1), CyYMLjXn (formula 1) wherein Cy is a cyclopentadienyl-type ligand; M is a metal of group 4; L is a neutral Lewis basic ligand wherein the number of said neutral ligands "j" is in the range of 0 to the amount that satisfies the 18-electron rule; X is an anionic ligand; n is an integer denoting the number of anionic ligands X and is 1 or 2, preferably is 2; Y is a cyclic amidine-containing ligand moiety represented by formula (2), wherein the amidine-containing ligand is covalently bonded to the metal M via the imine nitrogen atom N 2 ; S is a -CH2- unit, and t is the integer number denoting the number of S and is in the range of 1-4, more preferably in the range of 1-2, most preferably is 1; Sub 1 is an aliphatic cyclic or linear substituent comprising a group 14 atom through which Subi is bonded to the amine nitrogen atom N 1 ; Sub2 is an optionally substituted C2 unit in which the 2 carbon atoms may be sp 2 or sp 3 hybridized.
Abstract:
The present invention relates to a new metal complex of the formula (1), wherein: M is a group 4-6 metal R 1 means is a substituent comprising a heteroatom of group 15, through which R 1 is bonded to the imine carbon atom; R 2 -R 5 are the same or different and each represents a hydrogen atom, an optionally substituted C1 -10 alkyl group, an optionally substituted C1 -10 alkoxy group, an optionally substituted C6-20 aryl group, an optionally substituted C6-20 aryloxy group, an optionally substituted C7-20 aralkyi group, an optionally substituted C7-20 aralkyloxy group, a silyl group substituted with optionally substituted C1 -20 hydrocarbon group(s), a C1 -20 hydrocarbon-substituted amino group or the adjacent R 2 -R 5 may be linked to each other to form a ring; R 6 -R 9 are the same or different and each represents a hydrogen atom, a halogen atom, an optionally substituted C1 -10 alkyl group, an optionally substituted C1-10 alkoxy group, an optionally substituted C6-20 aryl group, an optionally substituted C6-20 aryloxy group, an optionally substituted C7-20 aralkyi group, an optionally substituted C7-20 aralkyloxy group, a silyl group substituted with optionally substituted C1 -20 hydrocarbon group(s), a C1-20 hydrocarbon-substituted amino group or the adjacent R 6 -R 9 may be linked to each other to form a ring; L is an optional neutral Lewis basic ligand, and j is an integer denoting the number of neutral ligands L; and X is an anionic ligand, and r is an integer denoting the number of anionic ligands X.
Abstract:
A catalyst system comprising: a) a metal complex of the formula CyLMZ p , wherein M is a group 4 metal Z is an anionic ligand, p is number of 1 to 2, preferably 2 Cy is a cyclopentadienyl-type ligand and, L is a ligand of the formula (A) wherein each A is independently selected from the group consisting of nitrogen and phosphorus and R 1 , R 2 , R 3 and R 4 are independently selected from the group consisting of hydrogen, unsubstituted or substituted hydrocarbyl, unsubstituted or substituted silyl and unsubstituted or substituted germyl residues, and b) a boron containing activator, characterized in that the molar ratio of the boron of the activator to M of the metal complex is greater than 2.5.
Abstract:
The present invention relates to a new bimetallic complex of the formula (1) wherein: M is a group 4-6 metal R 1 means is a substituent comprising a heteroatom of group 15, through which R 1 is bonded to the imine carbon atom; R 2 -R 6 are the same or different and each represents a hydrogen atom, an optionally substituted C1-10 alkyl group, an optionally substituted C1-10 alkoxy group, an optionally substituted C6-20 aryl group, an optionally substituted C6-20 aryloxy group, an optionally substituted C7-20 aralkyl group, an optionally substituted C7-20 aralkyloxy group, a silyl group substituted with optionally substituted C1-20 hydrocarbon group(s), a C1-20 hydrocarbon-substituted amino group or the adjacent R 2 -R 6 may be linked to each other to form a ring; R 7 -R 10 are the same or different and each represents a hydrogen atom, a halogen atom, an optionally substituted C1-10 alkyl group, an optionally substituted C1-10 alkoxy group, an optionally substituted C6-20 aryl group, an optionally substituted C6-20 aryloxy group, an optionally substituted C7-20 aralkyl group, an optionally substituted C7-20 aralkyloxy group, a silyl group substituted with optionally substituted C1-20 hydrocarbon group(s), a C1-20 hydrocarbon-substituted amino group or the adjacent R 7 -R 10 may be linked to each other to form a ring; L is an optional neutral Lewis basic ligand, and j is an integer denoting the number of neutral ligands L; and X is an anionic ligand, and r is an integer denoting the number of anionic ligands X and wherein the two cyclopentadienyl-amidinato-metal-containing moieties as in the brackets are the same or different.