Claims
- 1. A complex of the formula II: wherein M is a metal atom selected from the group consisting of a transition metal, a post transition metal and a lanthanide; R1, R2, R3 and R4 are independently selected from the group consisting of a hydrogen atom, a saturated or unsaturated straight chained, branched or cyclic hydrocarbyl radical which is unsubstituted or substituted by one or more substituents selected from the group consisting of a halogen atom and a C1-6 alkyl radical; R7 and R8 are independently selected from the group consisting of a halogen atom, an alkyl, an amide —NR1R2, an alkoxide or aryl oxide group —OR1, and an —OSi(R1)3 group wherein R1 and R2 are defined above, a saturated or unsaturated straight chained, branched or cyclic hydrocarbyl radical which are unsubstituted or substituted by a halogen atom or a C1-6 alkyl radical, and a Lewis base which may contain a donor heteroatom, and each R5 is independently selected from the group consisting of radicals selected from the group consisting of saturated and unsaturated straight chained, branched and cyclic hydrocarbyl radicals, C6-12 cyclic aliphatic or aromatic radical; radicals of the formula Si(R6)3 wherein each R6 is independently selected from the group consisting of saturated or unsaturated straight chained, branched or cyclic hydrocarbyl radicals, and radicals of the formula III: wherein R9, R10, R11 and R12 are independently selected from the group consisting of a hydrogen atom, a fluorine atom, a NO2 radical, a C1-6 alkyl radical, and a C8-12 aryl radical and E is an endocyclic nitrogen atom or a C—CN group and R14 is selected from the group consisting of a hydrogen atom and a C1-20 hydrocarbyl radical which may contain a terminal functional group; and optionally R14 taken together with the transitional metal may form a constrained ring.
- 2. The complex according to claim 1, wherein M is selected from the group consisting of Y, Ti, Zr, Hf, V, Cr, Fe, Co, Ni, Pd, Zn and Sm.
- 3. The complex according to claim 2, wherein R1, R2, R3 and R4 are selected from the group consisting of C1-10 straight chained, branched or cyclic alkyl radicals which are unsubstituted or substituted by up to three substituents selected from the group consisting of a chlorine atom, a fluorine atom and a C1-4 alkyl radical and C5-14 aromatic radicals which are unsubstituted or further substituted by up to n-1, wherein n is the number of carbon atoms in the aromatic radical substituents selected from the group consisting of a fluorine atom, a chlorine atom and a C1-6 alkyl radical or an amido radical which is unsubstituted or substituted by up to two C1-6 alkyl radicals.
- 4. The complex according to claim 3, wherein R7 and R8 are selected from the group consisting of a chlorine atom, a fluorine atom, a C1-10 straight chained, branched or cyclic alkyl radicals which are unsubstituted or substituted by up to three substituents selected from the group consisting of a chlorine atom, a fluorine atom and a C1-4 alkyl radical; an amide of the formula —NR1R2 where in R1 and R2 are C1-4 alkyl radicals; C5-14 aromatic radicals which are unsubstituted or further substituted by up to n-1, wherein n is the number of carbon atoms in the aromatic radical substituents selected from the group consisting of a fluorine atom, a chlorine atom and a C1-6 alkyl radical or an amido radical which is unsubstituted or substituted by up to two C1-6 alkyl radicals; C1-6 alkyl ethers, C4-8 cyclic ethers; C1-6 tertiary amines; cyclic C4-8 nitrogen containing compounds; and tertiary C1-10 phosphines.
- 5. A complex according to claim 4, wherein R14 is selected from the group consisting of C1-8 alkyl radicals or C6-10 aromatic radicals which may have a terminal function group and further proved that R14 together with M may for a constrained ring.
- 6. The complex according to claim 5, wherein R1, R2, R3 and R4 are selected from the group consisting of a hydrogen atom, a fluorine atom, a chlorine atom, a methyl radical, an ethyl radical, a propyl radical, a butyl radical, a tertiary butyl radical and a phenyl radical.
- 7. The complex according to claim 6, wherein one or more R5 substituents are selected from the group consisting of C1-6 alkyl radicals and C6-12 cyclic aliphatic or aromatic radicals.
- 8. The complex according to claim 7, wherein R5 is selected from the group consisting of methyl, ethyl, butyl, phenyl and adamantyl radicals.
- 9. The complex according to claim 6, wherein one or more R5 substituents is a radical of the formula III: wherein R9, R10, R11 and R12 are independently selected from the group consisting of a hydrogen atom, a fluorine atom, a NO2 radical, a C1-6 alkyl radical, and a C8-12 aryl radical and E is an endocyclic nitrogen atom or a C—CN group.
- 10. The complex according to claim 9, wherein E is an endocyclic nitrogen atom.
- 11. The complex according to claim 9, wherein E is a C—CN group.
- 12. The complex according to claim 11, wherein one or more R5 substituents is a 4-cyanotetrafluorophenyl radical.
- 13. The complex according to claim 6, wherein one or more R5 substituents is selected from the group consisting of radicals of the formula Si(R6)3 wherein each R6 is independently selected from the group consisting of C1-10 saturated or unsaturated straight chained, branched or cyclic hydrocarbyl radicals.
- 14. The complex according to claim 13, wherein R6 is selected from the group consisting of methyl, ethyl, propyl and butyl radicals.
- 15. A complex of the formula V: wherein M is a metal atom selected from the group consisting of a transition metal, a post transition metal and a lanthanide; R1, R2, R3 and R4 are independently selected from the group consisting of a hydrogen atom, a saturated or unsaturated straight chained, branched or cyclic hydrocarbyl radical which is unsubstituted or substituted by one or more substituents selected from the group consisting of a halogen atom and a C1-6 alkyl radical; and each R5 is independently selected from the group consisting of radicals selected from the group consisting of saturated and unsaturated straight chained, branched and cyclic hydrocarbyl radicals, C6-12 cyclic aliphatic or aromatic radical; radicals of the formula Si(R6)3 wherein each R6 is independently selected from the group consisting of saturated or unsaturated straight chained, branched or cyclic hydrocarbyl radicals, and radicals of the formula III: wherein R9, R10, R11 and R12 are independently selected from the group consisting of a hydrogen atom, a fluorine atom, a NO2 radical, a C1-6 alkyl radical, and a C8-12 aryl radical and E is an endocyclic nitrogen atom or a C—CN group.
- 16. The complex according to claim 15, wherein M is selected from the group consisting of Y, Ti, Zr, Hf, V, Cr, Fe, Co, Ni, Pd, Zn and Sm.
- 17. The complex according to claim 16, wherein R1, R2, R3 and R4 are selected from the group consisting of C1-10 straight chained, branched or cyclic alkyl radicals which are unsubstituted or substituted by up to three substituents selected from the group consisting of a chlorine atom, a fluorine atom and a C1-4alkyl radical and C5-14 aromatic radicals which are unsubstituted or further substituted by up to n-1, wherein n is the number of carbon atoms in the aromatic radical substituents selected from the group consisting of a fluorine atom, a chlorine atom and a C1-6 alkyl radical or an amido radical which is unsubstituted or substituted by up to two C1-6 alkyl radicals.
- 18. The complex according to claim 17, wherein R1, R2, R3 and R4 are selected from the group consisting of a hydrogen atom, a fluorine atom, a chlorine atom, a methyl radical, an ethyl radical, a propyl radical, a butyl radical, a tertiary butyl radical and a phenyl radical.
- 19. The complex according to claim 18, wherein one or more R5 substituents are selected from the group consisting of C1-6 alkyl radicals and C6-12 cyclic aliphatic or aromatic radicals.
- 20. The complex according to claim 19, wherein R5 is selected from the group consisting of methyl, ethyl, butyl, phenyl and adamantyl radicals.
- 21. The complex according to claim 18, wherein one or more R5 substituents is a radical of the formula III: wherein R9, R10, R11 and R12 are independently selected from the group consisting of a hydrogen atom, a fluorine atom, a NO2 radical, a C1-6 alkyl radical, and a C8-12 aryl radical and E is an endocyclic nitrogen atom or a C—CN group.
- 22. The complex according to claim 21, wherein E is an endocyclic nitrogen atom.
- 23. The complex according to claim 21, wherein E is a C—CN group.
- 24. The complex according to claim 23, wherein one or more R5 substituents is a 4-cyanotetrafluorophenyl radical.
- 25. The complex according to claim 18, wherein one or more R5 substituents are selected from the group consisting of radicals of the formula Si(R6)3 wherein each R6 is independently selected from the group consisting of C1-10 saturated or unsaturated straight chained, branched or cyclic hydrocarbyl radicals.
- 26. The complex according to claim 25, wherein R6 is selected from the group consisting of methyl, ethyl, propyl and butyl radicals.
Parent Case Info
This is a division of application Ser. No. 09/377,233, filed Aug. 19, 1999 now U.S. Pat. No. 6,060,568, which is a C-I-P of Ser. No. 09/216,041 filed on Dec. 18, 1998 now abandoned.
US Referenced Citations (5)
Number |
Name |
Date |
Kind |
5502128 |
Flores et al. |
Mar 1996 |
|
5534474 |
Becker et al. |
Jul 1996 |
|
5557023 |
Somogyvari et al. |
Sep 1996 |
|
5589555 |
Zboril et al. |
Dec 1996 |
|
5707913 |
Schlund et al. |
Jan 1998 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
0668295-A1 |
Aug 1995 |
EP |
WO-9623010 |
Aug 1996 |
WO |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09/216041 |
Dec 1998 |
US |
Child |
09/377233 |
|
US |