| abstract |
NEW MATERIAL:A compound expressed by formula I [R 1 is alkyl, alkenyl or alkynyl; R 2 is H, alkyl, alkoxy, alkylthio, phenyl, etc.; X is halogen, alkyl, phenyl, alkoxy, NO 2 , CN, etc.; Y is O or S; A is CR 3 R 4 , formula IIWformula IV (R 3 WR 6 are H or alkyl), etc.; Q is substituted phenyl, pyridine, pyridazine, pyrimidine. thiophene, furan, thiazole, oxazole. etc.]. n EXAMPLE: 5-Bromo-6-(4'-tert.-butylbenzylthio)-3-ethyl-4(3H)-pyrimidinone. n USE: An insecticide for agriculture and horticulture, acaricide, nematicide, germicide and expellent for acarid parasitic on animals. The aimed derivative exhibits remarkable effect also to noxious insects having resistance. n PREPARATION: A compound expressed by formula V is reacted with a compound expressed by formula VI [either one of Y' and Y'' is halogen and another is SM or OM (M is H or alkali metal)] to provide the compound expressed by I. n COPYRIGHT: (C)1989,JPO&Japio |