Patent number: 12167678
Abstract: A compound of Formula I: wherein: X1-X8 are each independently C or N, wherein two adjacent X1-X8 are carbon-fused to a structure of Formula II: X9-X12 are each independently C or N; A1, A2, and A3 are each independently selected from the group consisting of O, S, Se, N, NR, CR, CRR?, SiR, SiRR?, GeR, and GeRR?, with at least one of A1 and A2 being N or NR; each occurrence of is independently a single bond or a double bond, wherein one occurrence of is a single bond and one occurrence of is a double bond; each of RA, RB, and RC independently represents zero, mono, or up to a maximum allowed substitution to its associated ring; each of occurrence R, R?, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of Formula III, Formula IV, Formula V, Formula VI, Formula VII, Formula VIII, Formula IX, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, a
Type:
Grant
Filed:
December 13, 2022
Date of Patent:
December 10, 2024
Inventors:
Tyler Fleetham, Peter Wolohan