Patent ID: 9537106
Date: 2017-01-03
CPC Classifications: C07D,C09K,H01L

Claim:
1. A compound having the formula: wherein X wherein at least one of X wherein each R is 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 at least one of the R is wherein L is an organic aromatic group linker, wherein Donor is an electron donating group containing at least two electron-donating nitrogens and Donors can be different when n>1; and wherein at least one electron-donating nitrogen in the Donor is directly bonded to L.