申请人:Ciba-Geigy Corporation
公开号:US04648896A1
公开(公告)日:1987-03-10
2-Aryl-4,6-dihalopyrimidines of the formula I ##STR1## wherein Hal is halogen, E is unsubstituted or substituted phenyl, thienyl or furyl, and Y is a group bound by way of nitrogen, oxygen or sulfur, are able as antidote or `safener` to protect cultivated plants against the phytotoxic action of herbicides. Cultivated plants concerned are particularly sorghum, cereals, maize, rice and soya bean, and herbicides concerned are chloroacetanilides or other herbicidally effective substances.
公式I的2-芳基-4,6-二卤代嘧啶,其中Hal是卤素,E是未取代或取代的苯基、噻吩基或呋喃基,Y是通过氮、氧或硫结合的基团,可以作为抗毒或“安全剂”来保护栽培植物免受除草剂的植物毒性作用。涉及的栽培植物特别是高粱、谷物、玉米、稻米和大豆,涉及的除草剂是氯乙酰苯胺类或其他具有除草作用的物质。