A compound represented by formula (IA):
in which (A) represents an ethylene group, a vinylene group or an o-arylene group; Ar
1
and Ar
2
each represent an aryl group; R
1
and R
2
each represent an alkyl group or an aryl group; R
3
represents an alkyl group or an aryl group; R
4
and R
5
each represent a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a dialkylamino group, an N-alkyl-N-arylamino group or a diarylamino group; or Ar
1
and R
1
, or Ar
2
and R
2
are taken together either directly or indirectly to form a ring; Ar
1
(R
1
)C═CH—(CH═CH)
m
— and Ar
2
(R
2
)C═CH—(CH═CH)
n
— are on the 2- or 3-position and the 7- or 8-position of the respective benzene rings; m and n each represent an integer of from 0 to 2; and p and q each represent an integer of from 0 to 3.
化合物的
化学式为(IA):其中(A)代表
乙烯基,
乙烯基或o-芳基基团;Ar1和Ar2分别代表芳基基团;R1和R2分别代表烷基或芳基基团;R3代表烷基或芳基基团;R4和R5分别代表卤素原子,烷基,芳基,烷氧基,芳氧基,二烷基
氨基,N-烷基-N-芳基
氨基或二芳基
氨基;或Ar1和R1,或Ar2和R2直接或间接地结合形成环;Ar1(R1)C═CH—(CH═CH)m—和Ar2(R2)C═CH—(CH═CH)n—分别位于各自苯环的2-或3-位和7-或8-位;m和n分别表示从0到2的整数;p和q分别表示从0到3的整数。