Method and composition for enhancing the insecticidal activity of certain organophosphorus compounds
申请人:THE DOW CHEMICAL COMPANY
公开号:EP0185778A1
公开(公告)日:1986-07-02
The insecticidal activity of certain pyridinyl phosphorous compounds corresponding to
wherein each X independently represents bromo, chloro, fluoro or iodo; Z represents oxygen or sulfur; each R independently represents alkoxy of 1 to 4 carbon atoms and n represents an integer of from 1 to 3 is enhanced by the admixture therewith of certain 2,5,6-trisubstituted-4-pyrimidinyl phosphoramidates or phosphoramidothioates corresponding to the formula
wherein A represents hydrogen, alkyl of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, allylthio, cycloalkyl of 3 or 4 carbon atoms, alkyl(cycloalkyl) wherein the alkyl group is of 1 to 4 carbon atoms and the cycloalkyl group is of 3 or 4 carbon atoms, (cycloalkyl)alkyl wherein the alkyl group is of 1 to 4 carbon atoms and the cycloalkyl group is of 3 or 4 carbon atoms, phenyl, trifluoromethyl, dialkylamino wherein each alkyl group is independently of 1 to 4 carbon atoms or morpholino; R represents hydrogen, chloro, trifluoromethyl, alkyl of 1 to 4 carbon atoms or alkylthio of 1 to 4 carbon atoms (alkylthio)alkyl wherein each alkyl group is independently of 1 to 4 carbon atoms, alkoxyalkyl wherein the alkoxy and alkyl groups are independently of 1 to 4 carbon atoms, cycloalkyl of 3 or 4 carbon atoms or a group of the formula
R represents alkyl of 1 to 4 carbon atoms; R2 represents monoalkylamino of 1 to 4 carbon atoms, dialkylamino wherein each alkyl group is independently of 1 to 4 carbon atoms, allylamino, ((dimethylamino)methylene)amino (-N-=CH-N(CH3)2 or monocycloalkylamino of 3 to 4 carbon atoms; R3 represents hydrogen, chloro, bromo, fluoro or methyl and Z is oxygen or sulfur.
某些吡啶磷化合物的杀虫活性相当于
其中每个 X 独立地代表溴、氯、氟或碘;Z 代表氧或硫;每个 R 独立地代表 1 至 4 个碳原子的烷氧基和 n 代表 1 至 3 的整数,掺入某些 2,5,6-三取代-4-嘧啶基磷酰胺酸盐或硫代磷酰胺酸盐可增强其杀虫活性,这些磷酰胺酸盐或硫代磷酰胺酸盐的化学式如下
其中 A 代表氢、1 至 4 个碳原子的烷基、1 至 4 个碳原子的烷硫基、烯丙基硫代、3 或 4 个碳原子的环烷基、烷基(环烷基)(其中烷基为 1 至 4 个碳原子,环烷基为 3 或 4 个碳原子)、(环烷基)烷基(其中烷基为 1 至 4 个碳原子,环烷基为 3 或 4 个碳原子)、苯基、三氟甲基、二烷基氨基(其中每个烷基独立地为 1 至 4 个碳原子)或吗啉基;R 代表氢、氯、三氟甲基、1 至 4 个碳原子的烷基或 1 至 4 个碳原子的烷硫基 (其中每个烷基独立地为 1 至 4 个碳原子)、烷氧基烷基(其中烷氧基和烷基独立地 为 1 至 4 个碳原子)、3 或 4 个碳原子的环烷基或式中的一个基团。
R 代表 1 至 4 个碳原子的烷基;R2 代表 1 至 4 个碳原子的单烷基氨基、二烷基氨基(其中每个烷基独立为 1 至 4 个碳原子)、烯丙基氨基、((二甲基氨基)亚甲基)氨基(-N-=CH-N(CH3)2 或 3 至 4 个碳原子的单环烷基氨基);R3 代表氢、氯、溴、氟或甲基,Z 代表氧或硫。