Patent ID: 8399447

Claim:
A metal triangulo compound of the general formula (I) wherein: R 1 is quinoline, A is selected from the group consisting of S, Se, PO 4 , PO 3 (R 2 ) and P—(R 2 ) 3 , wherein R 2 is selected from the group consisting of H, aliphatic, cycloaliphatic, aromatic, arylaliphatic, and arylcycloaliphatic groups, comprising 0-6 heteroatoms selected from the group N, O, S, Se and Si, L 1 , L 2 and L 3 are ligands independently selected from the group consisting of —CO, —NC(R 2 ), CN—R 2 and —P—(R 2 ) 3 , wherein R 2 is H or selected from the group consisting of aliphatic, cycloaliphatic, aromatic, arylaliphatic, and arylcycloaliphatic groups, comprising 0-6 heteroatoms selected from the group N, O, S, Se and Si, and B, D and E are independently selected from the group consisting of osmium, ruthenium, rhenium, rhodium, iridium and tin.