申请人:Ye Qing
公开号:US20110155955A1
公开(公告)日:2011-06-30
Compounds of formula I may be used in optoelectronic devices
wherein
R
1
, R
2
and R
4
are, independently at each occurrence, H, a C
1
-C
20
aliphatic radical, a C
3
-C
20
aromatic radical, or a C
3
-C
20
cycloaliphatic radical;
R
3
is H or
a is, independently at each occurrence, 1 or 2;
b is, independently at each occurrence, an integer ranging from 0-3;
c is, independently at each occurrence, an integer ranging from 0-4;
Ar is independently at each occurrence, H, or heteroaryl; and
at least two of Ar are heteroaryl.
化合物的化学式I可用于光电子器件,其中R1、R2和R4在每次出现时独立地为H、C1-C20脂肪基、C3-C20芳香基或C3-C20环脂肪基;R3为H或a,在每次出现时独立地为1或2;b在每次出现时独立地为0-3之间的整数;c在每次出现时独立地为0-4之间的整数;Ar在每次出现时独立地为H或杂环芳基;并且至少两个Ar为杂环芳基。