Patent ID: 9356245
Filing Date: 2016-05-31
CPC Classification: C07F,C09K,H01L,Y10S

Claim Text:
1. A compound comprising a metal center and a ligand coordinated to the metal center, wherein the ligand is selected from: wherein R R additionally or alternatively, two R groups on the same or adjacent ring, together form a 5 or 6-member cyclic group, wherein said cyclic group is cycloalkyl, cycloheteroalkyl, aryl, or heteroaryl; and wherein said cyclic group is optionally substituted by one or more substituents J; each substituent J is independently selected from the group consisting of R′, CN, CF each R′ is independently selected from H, halo, alkyl, alkenyl, alkynyl, heteroalkyl, aralkyl, aryl, and heteroaryl; a is 0, 1, 2, 3, or 4; and b is 0, 1, 2, or 3.