| abstract |
NEW MATERIAL:The compound of formula I [A is lower alkyl; Z is thiophene, benzothiophene, pyridine, quinoline, isoxazole, benzoxazole, uracil, pyrimidine, 1,3,4-thiadiazolone, 1,3,5-triazine, oxazole, 1,2,3-benzotriazin-4-one, benzoxazolone, benzimidazole, benzofuran, pyrazine, δ-pyrone, coumarin, indole, pyrrole, furan, or naphthalene which may have 1W3 substituent groups (lower alkyl, lower alkoxy, halogen, NO 2 , NH 2 , phenyl, phenoxy or CF 3 )]. n EXAMPLE: 4-(2,4-Dichlorobenzoyl)-1-methyl-5-(2-pyridylmethoxy)pyrazole. n USE: Selective herbicide. n PROCESS: The compound of formula I can be prepared by reacting the compound of formula II with the compound of formula III (Hal is halogen). n COPYRIGHT: (C)1984,JPO&Japio |