Patent ID: 8080667
Filing Date: 2011-12-20
Classification: C09K,H01L

Abstract:
1. A compound of formula (VIa), (VIb), (VIIa), (VIIb), (VIIc), (VIId), (VIIIa) or (VIIIb) wherein M M Q L is a bidentate ligand; A A A wherein A 41 , A 42 , A 43 , A 44 , A 45 and A 46 are independently of each other H, halogen, CN, C 1 -C 24 alkyl, C 1 -C 24 perfluoroalkyl, C 1 -C 24 alkoxy, C 1 -C 24 alkylthio, C 6 -C 18 aryl which may optionally be substituted by G, —NR 25 R 26 , —CONR 25 R 26 , —COOR 27 or C 2 -C 10 heteroaryl; R G is C R R R wherein E A R R wherein A 41 , A 42 , A 43 , A 44 , A 45 and A 46 are independently of each other H, halogen, CN, C 1 -C 24 alkyl, C 1 -C 24 perfluoroalkyl, C 1 -C 24 alkoxy, C 1 -C 24 alkylthio, C 6 -C 18 aryl which may optionally be substituted by G, —NR 25 R 26 , —CONR 25 R 26 , —COOR 27 or C 2 -C 10 heteroaryl; R R