申请人:Poetsch Eike
                            
                            
                                公开号:US20060025615A1
                            
                            
                                公开(公告)日:2006-02-02
                            
                            The present invention relates to a process for the preparation of a compound of the general formula
R-(A
1
-Z-)
m
B—CF
2
O-A
2
-(A
3
)
n
-R′  (I)
in which
R is alkyl, in which one or more CH
2
groups may be replaced, independently of one another, by O, CF
2
, CH═CH, CH═CF or CF═CF, with the proviso that peroxide structures O—O and formaldehyde acetals O—CH
2
—O are excluded,
A
1
is, independently of one another, 1,4-cyclohexylene, 2,5-1,3-dioxanylene, 1,3-cyclobutylene or
A
2
and A
3
are 1,4-phenylene, in which, independently of one another, from one to four hydrogens may be replaced by fluorine or one or two CH groups may be replaced by N,
Z is a single bond, —CH
2
—CH
2
—, —CF
2
—CF
2
—, —CH═CH—, —CF═CF—, —CH═CF— or —CF═CH—, B is 2,6-disubstituted naphthalene, 2,6-disubstituted 5,6,7,8-tetrahydronaphthalene or 2,6-disubstituted trans-decalin,
R′ is R, F, OCF
3
, OCF
2
H, CF
3
, CI, SF
5
, CN or NCS, and m and n are, independently of one another, 0 or 1, comprising the following steps: a) conversion of a compound of the general formula
R-(A
1
-Z-)
m
BX   (II),
in which X is halogen or ═O and the other symbols are as defined in relation to the formula (I), into a carboxylic acid derivative with elimination of the group X and introduction of a C1 unit; b) reaction of the carboxylic acid derivative with a phenol of the general formula
HO-A
2
(-A
3
)
n
-R′  (III),
in which A
2
, A
3
, R′ and n are as defined in relation to the formula (I), to give the compound of the formula (I).
                            本发明涉及一种通式化合物的制备工艺
R-(A
1
-Z-)
m
B-CF
2
O-A
2
-(A
3
)
n
-R′(I)
其中
R 是烷基,其中一个或多个 CH
2
基团可独立地被 O、CF
2
CH═CH、CH═CF 或 CF═CF,但过氧化物结构 O-O 和
甲醛缩醛 O-CH
2
-O除外、
A
1
分别是 1,4-
环己烯、2,5-1,3-二氧杂
环戊烯、1,3-
环丁烯或
A
2
和 A
3
是 1,4-亚苯基,其中 1 至 4 个氢可被
氟取代,或 1 或 2 个 CH 基团可被 N 取代、
Z 是单键,-CH
2
-CH
2
-、-CF
2
-CF
2
-、-CH═CH-、-CF═CF-、-CH═CF- 或-CF═CH-,B 是 2,6-二取代
萘、2,6-二取代 5,6,7,8-四氢
萘或 2,6-二取代反式
萘、
R′ 是 R、F、OCF
3
、OCF
2
H、CF
3
、CI、SF
5
、CN 或 
NCS,且 m 和 n 各自为 0 或 1,包括以下步骤
R-(A
1
-Z-)
m
BX (II)、
其中 X 为卤素或═O,其他符号与式(I)中所定义的相同; b) 将
羧酸衍
生物与通式为
HO-A
2
(-A
3
)
n
-R′(III)、
其中 A
2
, A
3
、R′和 n 的定义与式(I)相同,从而得到式(I)化合物。