Patent
Disclosed is a kind of E-type phenyl acrylic ester compound containing substituted anilino pyrimidine group, which is shown by general structure formula I, wherein each substituent is defined as that in the description. The compounds of general formula I show high insecticidal and acaricidal activities to adults and nymphs of harmful insects and mites in agricultural, civil and zoic technical fields, especially to Tetranychus cinnabarinus , Tetranychidae, and the like. The said compounds show more excellent performance on inhibiting the incubation of eggs of harmful mites. The uses of the said compounds as insecticides and/or acaricides in agricultural and other fields also are disclosed.
1. An E-type phenyl acrylic ester compound containing a substituted anilino pyrimidine group having the general formula I:
wherein:
R 1 is CCl 3 , CF 2 Cl, CFCl 2 , CF 3 , or CH 2 CF 3 ;
R 2 is H, Cl, or CH 3 ;
R 3 is H, C 1 -C 4 alkyl, alkylsulfonyl, or C 1 -C 4 alkylcarbonyl;
Rn is selected from the group consisting of 2,4-difluoro, 2,4-dichloro, 2-fluoro-4-chloro, 2-chloro-4-fluoro, 2,3,4-trifluoro, 2,3,4-trichloro, 2,4-difluoro-3-methyl, 2,4-dichloro-3-methyl, 2-fluoro-3,4-dichloro, and 2-chloro-3,4-difluoro;
or a hydrochloride, phosphate, acetate, benzene sulfonate, or oxalate salt thereof.
2. The compound according to claim 1 , wherein
R 1 is CF 3 ;
R 3 is H; and
Rn is selected from the group consisting of 2,4-difluoro, 2,4-dichloro, 2-fluoro-4-chloro, 2-chloro-4-fluoro, 2,3,4-trifluoro, 2,3,4-trichloro, and 2,4-dichloro-3-methyl.
3. A method for controlling harmful insects and mites in agricultural and other fields which comprises contacting the insects and mites with the compound of claim 1 .
4. A composition of insecticides and/or acaricides, comprising the compound of claim 1 as an active ingredient and acceptable carrier in agriculture, wherein the weight percentage of the active ingredient in the composition is 0.5-90%.
5. A method for controlling harmful insects and mites in agricultural and other fields which comprises contacting the insects and mites with the composition of claim 4 .