申请人:——
公开号:US20040077754A1
公开(公告)日:2004-04-22
Acrylic ester phosphonic acids of general formula (I), stereoisomers thereof and mixtures of these,
1
wherein n is 1 or 2, on the condition that for n=1 R
1
has the meaning
2
and for n=2 R
1
has the meaning
3
R
2
is a C
1
to C
12
alkylene radical, C
4
-C
8
cycloalkylene radical or C
7
to C
15
alkylene phenylene radical; R
3
is hydrogen, a C
1
to C
5
alkyl radical or a C
1
to C
5
O-alkyl radical; and R
4
, R
5
, independently of each other, each stand for a C
1
to C
5
alkyl radical or a C
1
to C
5
O-alkyl radical.
通式(I)的丙烯酸酯膦酸、其立体异构体及其混合物,1 其中 n 为 1 或 2,条件是对于 n=1 R 1 的含义为 2,而对于 n= 2 R 1 的含义是 3 R 2 是 C 1 至 C 12 亚烷基、C 4 -C 8 环亚烷基或 C 7 至 C 15 亚烷基苯基;R 3 是氢、C 1 至 C 5 烷基或 C 1 至 C 5 O-烷基;R 4、R 5 各自独立地代表 C 1 至 C 5 烷基或 C 1 至 C 5 O-烷基。