A liquid crystalline styryl derivative represented by general formula (1):
wherein R
1
and R
2
, which may be the same or different,
each represent a straight-chain or branched alkyl group,
a straight-chain or branched alkoxy group, a cyano group,
a nitro group, F, —C(O)O(CH
2
)
m
—CH
3
, —C(O)—(CH
2
)
m
—CH
3
,
or general formula (2);
wherein R
3
represents a hydrogen atom or a methyl group;
B represents —(CH
2
)
m
—, —(CH
2
)
m
—O—, —CO—O—(CH
2
)
m
—,
—CO—O—(CH
2
)
m
—O—, —C
6
H
4
—CH
2
—O— or —CO—; and m represents
an integer of 1 to 18.
R
1
and R
2
, which may be the same or different, each preferably represent a branched alkyl or alkoxy group represented by CH
3
—(CH
2
)
x
—CH(CH
3
)—(CH
2
)
y
—CH
2
— or CH
3
—(CH
2
)
x
—CH(CH
3
)—(CH
2
)
y
—CH
2
—O—, respectively, wherein x is an integer of 0 to 7, and y is an integer of 0 to 7. The styryl derivative is suitable for use as an organic semiconductor material.
一种通式(1)所表示的液晶基
苯乙烯衍
生物,其中R1和R2,可以相同也可以不同,分别表示直链或支链烷基、直链或支链烷氧基、
氰基、硝基、F、—C(O)O(
CH2)m—
CH3、—C(O)—( )m— 或通式(2);其中R3表示氢原子或甲基基团;B表示—( )m—、—( )m—O—、—CO—O—( )m—、—CO—O—( )m—O—、—
C6H4— —O—或—CO—;m表示1到18的整数。R1和R2,可以相同也可以不同,最好分别表示为 —( )x—CH( )—( )y— —或 —( )x—CH( )—( )y— —O—所表示的支链烷基或烷氧基,其中x是0到7的整数,y是0到7的整数。该基
苯乙烯衍
生物适用于作为有机半导体材料。