申请人:——
公开号:US20040245498A1
公开(公告)日:2004-12-09
Compounds of the formula (I)
1
where:
X
1
is H or F
G
1
-G
2
is —CH
2
—CH— or CH═C—
R
1
, R
2
are
a) H
b) the M
2
-A
2
-R
5
moiety
c) for example, a straight-chain or branched alkyl radical having from 1 to 16 carbon atoms
R
3
and R
4
are each, for example, H, the M
2
-A
2
-R
5
moiety or a straight-chain or branched alkyl or alkyloxy radical having from 1 to 16 carbon atoms
A
2
is, for example, 1,4-phenylene,
with the provisos that
a) when R
2
is not H, R
1
and R
3
have to be H,
b) when R
2
is H, R
4
must not have the definitions c) or d),
c) R
1
, R
2
, R
3
and R
4
must not at the same time be H.
化合物的分子式为(I)1,其中:X1为H或FG1-G2为—CH2—CH—或CH═C—R1,R2为a) Hb) M2-A2-R5基团c) 例如,具有1至16个碳原子的直链或支链烷基基团R3和R4为例如H,M2-A2-R5基团或具有1至16个碳原子的直链或支链烷基或烷氧基基团A2为例如1,4-苯撑基,但需满足以下条件:a) 当R2不为H时,R1和R3必须为H,b) 当R2为H时,R4不能具有定义c)或d),c)R1,R2,R3和R4不能同时为H。