申请人:Huffer Stephan
公开号:US20060053564A1
公开(公告)日:2006-03-16
Aqueous formulations are prepared by a process wherein at least one cyclic compound of the formula I
is heated in the presence of water and of an acidic catalyst and, during or after the heating, H—X—R
3
is at least partially separated off, where, in formula I,
X is selected from oxygen, sulfur and N—R
6
,
R
3
and R
6
are identical or different and are selected from C
1
-C
12
-alkyl, C
3
-C
12
-cycloalkyl, substituted or unsubstituted, C
7
-C
13
-aralkyl, C
6
-C
14
-aryl, substituted or unsubstituted, formyl, CO—C
1
-C
12
-alkyl, CO—C
3
-C
12
-cycloalkyl, substituted or unsubstituted, CO—C
7
-C
13
-aralkyl, CO—C
6
-C
14
-aryl, where, if X is N—R
6
, R
3
and R
6
may be linked to one another with formation of a ring;
R
1
, R
2
and R
4
are identical or different and are selected from hydrogen, C
1
-C
12
-alkyl, C
3
-C
12
-cycloalkyl, substituted or unsubstituted, C
7
-C
13
-aralkyl, C
6
-C
14
-aryl, substituted or unsubstituted, it being possible in each case for two neighboring radicals to be linked to one another with formation of a ring; n is an integer from 1 to 4;
R
5
are identical or different and are selected from hydrogen, C
1
-C
12
-alkyl, C
3
-C
12
-cycloalkyl, substituted or unsubstituted, C
7
-C
13
-aralkyl, C
6
-C
14
-aryl, substituted or unsubstituted, it being possible for R
5
to be linked to R
4
or in each case two neighboring radicals R
5
to be linked to one another with formation of a ring.
水基制剂的制备方法是:将至少一种式 I 的环状化合物在
水和酸性催化剂存在下加热,在加热过程中或加热后,H-X-R
在
水和酸性催化剂存在下加热,在加热过程中或加热后,H-X-R
3
至少部分分离,其中,在式 I 中
X 选自氧、
硫和 N-R
6
,
R
3
和 R
6
相同或不同,且选自 C
1
-C
12
-烷基、C
3
-C
12
-取代或未取代的环烷基,C
7
-C
13
-芳烷基,C
6
-C
14
-芳基,取代或未取代,甲酰基,CO-C
1
-C
12
-烷基、CO-C
3
-C
12
取代或未取代的环烷基、CO-C 3 -C 12
7
-C
13
-芳烷基、CO-C
6
-C
14
-芳基,其中,如果 X 是 N-R
6
, R
3
和 R
6
可相互连接形成一个环;
R
1
, R
2
和 R
4
相同或不同,且选自氢、C
1
-C
12
-烷基、C
3
-C
12
-取代或未取代的环烷基,C
7
-C
13
-芳烷基,C
6
-C
14
-芳基,取代或未取代,在每种情况下,两个相邻基都有可能相互连接形成环;n 是 1 到 4 的整数;
R
5
相同或不同,选自氢、C
1
-C
12
-烷基、C
3
-C
12
-取代或未取代的环烷基,C
7
-C
13
-芳烷基,C
6
-C
14
-芳基,取代或未取代,R
5
与 R
4
或在每种情况下两个相邻的基 R
5
相连,形成一个环。