申请人:Inagaki Junichi
公开号:US20100193736A1
公开(公告)日:2010-08-05
The compound of the present invention is represented by the formula (1). In the formula (1), R
1
and R
2
are hydrogen, fluorine, chlorine, methyl or ethyl; X
1
and X
2
are hydrogen, fluorine, methyl or trifluoromethyl; Z
1
and Z
2
are a single bond, —COO—, —OCO—, —CH═CH—COO—, —OCO—CH═CH—, —CH
2
CH
2
—COO—, —OCO—CH
2
CH
2
—, —CH
2
O—, —CONH—, —(CH
2
)
4
—, —CH
2
CH
2
— or —C≡C—; Z
3
and Z
4
are a single bond or —O—; A
1
and A
2
are 1,4-cyclohexylene, 1,4-phenylene, 1,3-phenylene, pyridin-2,5-diyl, pyrimidin-2,5-diyl, naphthalen-2,6-diyl or tetrahydronaphtlane-2,6-diyl; and Y
1
and Y
2
are alkylene having from 2 to 20 carbon atoms.
本发明的化合物由公式(1)表示。在公式(1)中,R1和R2是氢、氟、氯、甲基或乙基; X1和X2是氢、氟、甲基或三氟甲基; Z1和Z2是单键,—COO—,—OCO—,—CH═CH—COO—,—OCO—CH═CH—,—CH2CH2—COO—,—OCO—CH2CH2—,—CH2O—,—CONH—,—(CH2)4—,—CH2CH2—或—C≡C—; Z3和Z4是单键或—O—; A1和A2是1,4-环己烯基,1,4-苯基,1,3-苯基,吡啶-2,5-二基,嘧啶-2,5-二基,萘-2,6-二基或四氢萘烷-2,6-二基; Y1和Y2是具有2至20个碳原子的烷基。