NEW MATERIAL:A benzoylurea compound of formula I [R is halogen; R1 is halogen or H; R2 is group of formula II (R3 and R4 are alkyl, cycloalkyl or aryl)].
EXAMPLE: Methyl [4-[2-[3-chloro-5-( trifluoromethyl )]pyridyloxy ]-phenyl-7-(2,6- difluorophenyl)-2-methyl-5,7-dioxo-3-thia-2,4,6-triazaheptan oate.
USE: An insecticidal and miticidal agent. It has not only strong insecticidal activity against various vermin but also extremely high effect against parasitic mites of animal and vegetable. It exhibits larvicidal action by the activity to inhibit ecdysis of larva, ovicidal action and sterilizing action to imago to lay unhatchable egg.
PREPARATION: The compound of formula I can be produced by reacting the compound of formula III with the compound of formula IV in an inert solvent at a temperature between -10°C and the boiling point of the reaction mixture.
KARIYA AKINORI
KATSURAYAMA TAKAYOSHI
TSUJI ATSUSHI
