Patent ID: 6770771
Filing Date: 2004-08-03
Classification: C07C,C07D,C07F,C08F

Abstract:
A compound of the formula wherein:M is Ni, Pd, Ti, Zr, Sc, V, Cr, Fe, Co or a rare earth metal; each X is independently a monoanion; n is equal to the oxidation number of M; A and E are each independently oxygen, sulfur, phosphorous, or nitrogen; R3 and R8 are each independently hydrocarbyl or substituted hydrocarbyl provided that the carbon atom bound to the nitrogen atom is bound to at least two other carbon atoms; R4, R5, R6 and R7 are each independently hydrocarbyl or substituted hydrocarbyl; Ar1 and Ar2 are each independently aryl or substituted aryl; R9 and R10 are each independently hydrocarbyl or substituted hydrocarbyl; and provided that when said compound is (V) or (VI), M is Ni; the members of any one or more of the pairs R4 and R5, R6 and R7, R4 and R6, and R5 and R7 taken together may form a ring; when A is oxygen or sulfur, R5 is not present; and when E is oxygen or sulfur, R7 is not present.