| 摘要 |
A compound having a formula M(LA)x(LB)y(LC) where ligand LA is;;ligand LB is;;and ligand LC is;;is disclosed. In the formula, M is a heavy metal, x and y are 1, or 2, and z is 0, 1, or 2, where x+y+z is the oxidation state of metal M. R1, R2, R3, and R4 are independently selected from group consisting of alkyl, cycloalkyl, aryl, and heteroaryl, and at least one of R1, R2, R3, and R4 has at least two C atoms. Rings A, C, and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; at least one RB has the following structure;;and at least one of R6, R7, and R8 is alkyl, cycloalkyl, halide, and combinations thereof. Any adjacent substitutents of RA, RB, RC, and RD are optionally joined to form a ring. |
| 主权项 |
1. A compound having a formula M(LA)x(LB)(LC)z:
wherein the ligand LA is wherein the ligand LB is wherein the ligand LC is wherein M is a metal having an atomic number greater than 40; wherein x is 1, or 2; wherein y is 1, or 2; wherein z is 0, 1, or 2; wherein x+y+z is the oxidation state of the metal M; wherein R1, R2, R3, and R4 are independently selected from group consisting of alkyl, cycloalkyl, aryl, and heteroaryl; wherein at least one of R1, R2, R3, and R4 has at least two C atoms; wherein R5 is selected from 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 rings A, C, and D are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; wherein RA, RC, and RD each independently represent mono, di, tri, or tetra substitution, or no substitution; wherein RB represents mono, di, tri, tetra, penta, or hexa substitution; wherein at least one RB has the following structure: wherein each of RA, RB, RC, and RD 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 any adjacent substitutents of RA, RB, RC, and RD are optionally joined to form a ring; wherein R6, R7, and R8 are independently selected from group consisting of hydrogen, deuterium, alkyl, cycloalkyl, halide, and combinations thereof; and wherein at least one of R6, R7, and R8 is not hydrogen or deuterium. |
