Patent ID: 6346324
Filing Date: 2002-02-12
Classification: B01J,C07F,C08G,C08L,C09D,D01F,D02G,Y10T

Abstract:
A cis-bridged metal complex of the formula (I) where:R5 is an electron-withdrawing radical, M is a metal of group VIIIB of the periodic table of the elements, E1, E2 are each an element of group VA of the periodic table of the elements, z is nitrogen or phosphorus, R1 to R4 are substituents selected, independently of one another, from the group consisting of C1-C20-organocarbon and C3-C30-organosilicon radicals in substituted and unsubstituted form, Aâ€², Bâ€² are C1-C4-alkylene units in substituted or unsubstituted form, silylene-bridged organic radicals or NR6 radicals, R6 is hydrogen or a substituent selected from the group consisting of C1-C20-organocarbon and C3-C30-organosilicon radicals, and L1,L2 are formally charged ligands.