申请人:JIANGSU FLAG CHEMICAL INDUSTRY CO., LTD.
公开号:US20210009554A1
公开(公告)日:2021-01-14
The present invention discloses an N-alkyl-N-cyanoalkylbenzamide compound of General Formula I, an intermediate of General Formula II used to prepare the compound, wherein R
1
is selected from halo or C
1
-C
3
alkyl; R
2
is selected from halo or CN; R
3
is selected from halo, or C
1
-C
3
haloalkyl; R
4
is selected from halo; R
5
is selected from H or halo; R
6
is selected from C
1
-C
3
alkyl, C
1
-C
3
haloalkyl or C
1
-C
5
alkoxyalkyl; R
7
is selected from C
1
-C
5
alkyl; and R
8
is selected from hydrogen or C
1
-C
5
alkyl. Compared with the compounds in the prior art, the compound of General Formula I has a higher activity at a low concentration. Particularly, the compound of the present invention still has 60% or higher of the insecticidal activity at a concentration below 1 ppm. This greatly reduces the amount of the compound used and the residue of the compound in farmland, and is thus environmentally friendly.
本发明公开了一种一般式I的N-烷基-N-氰基烷基苯甲酰胺化合物,一种用于制备该化合物的一般式II的中间体,其中R1选自卤素或C1-C3烷基;R2选自卤素或CN;R3选自卤素,或C1-C3卤代烷基;R4选自卤素;R5选自H或卤素;R6选自C1-C3烷基,C1-C3卤代烷基或C1-C5烷氧基烷基;R7选自C1-C5烷基;R8选自氢或C1-C5烷基。与先前技术中的化合物相比,一般式I的化合物在低浓度下具有更高的活性。特别是,本发明的化合物在低于1 ppm的浓度下仍具有60%或更高的杀虫活性。这大大减少了使用的化合物量和化合物在农田中的残留物,因此对环境友好。