2-aryl-4,6-dihalopyrimidines as antidote for protecting cultivated plants from phytotoxic damage caused by herbicides

Abstract From the Canadian patent

2-Aryl-4,6-dihalopyrimidines as antidote for protecting cultivated plants from phytotoxic damage caused by herbicides, Abstract, 2-Aryl-4,6-dihalopyrimidines of the formula I (I), 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.