申请人:E I DU PONT DE NEMOURS AND COMPANY
公开号:US20180062082A1
公开(公告)日:2018-03-01
There is disclosed a compound Formula I
In Formula I:
Z is CR
4
R
5
, C═CR
4
R
5
, SiR
4
R
5
, GeR
4
R
5
, NR
4a
, PR
4a
, P(O)R
4a
, O, S, SO, SO
2
, Se; SeO, SeO
2
, Te, TeO, or TeO
2
;
R
1
-R
3
are the same or different at each occurrence and are D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl, where two groups selected from R
1
, R
2
, and R
3
can be joined together to form a fused ring;
R
4
-R
5
are the same or different at each occurrence and are H, D, aryl, heteroaryl, alkyl, amino, silyl, germyl, deuterated aryl, deuterated heteroaryl, deuterated alkyl, deuterated amino, deuterated silyl, or deuterated germyl;
R
4
a is alkyl, silyl, germyl, aryl, or a deuterated analog thereof;
a is an integer from 0-4;
b and c are the same or different and are an integer from 0-3.