申请人:Universal Display Corporation
公开号:US20200274081A1
公开(公告)日:2020-08-27
A compound of Formula I
wherein:
ring B is a 5-membered heterocyclic ring, or a 6-membered carbocyclic ring;
each of X
1
and X
2
is independently C, CR, or N, with at least one of them being C;
each of X
3
-X
11
is independently C, CR, or N, with at least one of them being N, and two adjacent of X
3
-X
7
are carbon-fused to the shown moiety through the linkage indicated by the two squiggly lines;
Y is selected from the group consisting of O, S, Se, NR′, CR′R″, and SiR′R″;
each of R
A
and R
B
independently represents zero, mono, or up to a maximum allowed substitution to its associated ring;
each of R, R′, R″, R
A
, and R
B
is independently a hydrogen or a substituent selected from the group consisting of —SiR
1
R
2
R
3
or —GeR
1
R
2
R
3
, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof, with at least one of R
A
or R
B
comprising —SiR
1
R
2
R
3
or —GeR
1
R
2
R
3
;
each of R
1
, R
2
, and R
3
is independently selected from the group consisting of alkyl, aryl group, heteroaryl group, and combinations thereof; and
any two substituents are optionally joined or fused to form a ring where chemically feasible.
根据公式I的化合物
其中:
环B是5元的杂环,或者是6元的碳环;
X1和X2各自独立为C、CR或N,其中至少有一个是C;
X3-X11各自独立为C、CR或N,其中至少有一个是N,并且X3-X7的两个相邻碳与所示基团通过波浪线指示的连接方式碳融合;
Y选自由O、S、Se、NR'、CR'R"和SiR'R"组成的组;
RA和RB各自独立代表其相关环允许的最大取代数,零、单或至多;
R、R'、R"、RA和RB各自独立为氢或选自—SiR1R2R3或—GeR1R2R3,氘,卤素,烷基,环烷基,杂烷基,杂环烷基,芳烷基,烷氧基,芳氧基,氨基,硅基,硼基,烯基,环烯基,杂烯基,炔基,芳基,杂芳基,酰基,羧酸,醚,酯,腈,异腈,硫anyl,亚磺酰基,磺酰基,磷基和它们的组合的取代基,其中至少一个RA或RB包含—SiR1R2R3或—GeR1R2R3;
R1、R2和R3各自独立选自烷基,芳基组,杂芳基组和它们的组合;并且
任意两个取代基可选择性连接或融合成环,在化学上可行的话。