There is provided a method for producing a cyclopropanecarboxylate of formula (1):
1
which comprises contacting
a cyclopropanecarboxylate of formula (2):
2
with a monohydroxy compound of formula (3):
R
7
OH (3)
in the presence of a lithium compound of formula (4):
R
8
OLi (4),
wherein R
1
, R
2
, R
3
, R
4
and R
5
each independently represent
a hydrogen atom, a halogen atom,
a substituted or unsubstituted alkyl group,
a substituted or unsubstituted alkenyl group, or
a substituted or unsubstituted aryl group;
R
6
represents an alkyl group having 1 to 10 carbon atoms or
a substituted or unsubstituted phenyl group;
R
7
and R
8
do not simultaneously represent the same and each independently represent
a substituted or unsubstituted alkyl group, or
a substituted or unsubstituted aryl group.
提供了一种生产公式(1)环丙烷甲酸酯的方法:
1
该方法包括接触
一种公式(2)的环丙烷甲酸酯:
2
与一种公式(3)的单羟基化合物:
R
7
OH (3)
在公式(4)的锂化合物存在下:
R
8
OLi (4),
其中R
1
,R
2
,R
3
,R
4
和R
5
每个独立代表
一个氢原子,一个卤素原子,
一个取代或不取代的烷基团,
一个取代或不取代的烯丙基团,或
一个取代或不取代的芳基团;
R
6
代表一个有1到10个碳原子的烷基团或
一个取代或不取代的苯基团;
R
7
和R
8
不同时代表相同的,且每个独立代表
一个取代或不取代的烷基团,或
一个取代或不取代的芳基团。
Halogenated esters of cyclopropane acids, their preparation, compositions and use as pesticides