Patent ID: 8304542
Filing Date: 2012-11-06
Classification: C07F,C09K,H01L,Y02E

Abstract:
1. A compound of the formula (1) wherein substructure M(L) wherein M is a transition metal; D identically or differently on each occurrence is an sp C is an sp E identically or differently on each occurrence is an sp Z identically or differently on each occurrence is C(R) Cy1 identically or differently on each occurrence is a homocycle or heterocycle bound to M via an sp Cy2 identically or differently on each occurrence is a heterocycle coordinated to M via D and is optionally bonded to R; R identically or differently on each occurrence is H; F; CN; a straight-chain alkyl or straight-chain alkoxy group having up to 40 carbon atoms; or a branched or cyclic alkyl or branched or cyclic alkoxy group having from 3 to 40 carbon atoms; R n is 1, 2 or 3; and wherein L′ and L″ are monoanionic, bidentate chelating ligands; m and o identically or differently on each occurrence are 0, 1 or 2; and the sum of n, m, and o is 2 or 3.