Patent ID: 6384229
Filing Date: 2002-05-07
Classification: B01J,C07F,C08F

Abstract:
A transition or lanthanide metal complex which comprises:(a) a Group 3 to 10 transition or lanthanide metal, M; (b) one or more anionic or neutral ligands in an amount that satisfies the valency of M; and (c) a neutral, multidentate ligand of the formula: Raâ€”Aâ€”(L)b wherein R is hydrogen or a C1-C30 alkyl, aryl, or aralkyl, A is silicon, tin, germanium, or lead, each L is independently a substituted or unsubstituted triazolyl or tetraazolyl group, a=0 to 2, b=2 to 4, and a+b=4.