Patent ID: 8871361
Filing Date: 2014-10-28
Classification: C07F,C09K,H01L,H05B,Y10S

Abstract:
1. A compound having the formula: wherein A is a 5-membered carbocyclic or heterocyclic ring and B is a 5-membered or 6-membered carbocyclic or heterocyclic ring; wherein A-B connects to Pt through one covalent bond and one covalent bond and one coordination bond; wherein X is selected from the group consisting of BR, NR, PR, O, S, Se, C═O, S═O, SO wherein R and R′ are independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; wherein R wherein R wherein R wherein two adjacent substituents of R wherein at least one of R wherein R′ wherein C is a 5-membered or 6-membered carbocyclic or heterocyclic ring that is optionally further substituted.