| abstract |
NEW MATERIAL:A compound expressed by formula I [R 1 is alkyl; R 2 is (halo) alkyl, (halo)alkenyl or (halo)alkinyl; R 3 is H, alkyl, alkylthio or alkoxycarbonyl; R 4 is alkyl or phenyl; R 5 is alkyl or (halogen or alkylsubstituted) phenyl; R 6 is halogen, alkyl, alkylsulfinyl, mono- or dialkylamino, phenoxy, etc.] or salt thereof. n EXAMPLE: 5-(5-Chloro-1, 3-dimethylpyrazol-4-yl)-2-(1-ethoxyiminopropyl)-3-hydro xy-2-cyclohexene-1-one. n USE: A herbicide exhibiting excellent selectivity to soybean or wheat. n PREPARATION: For example, a compound expressed by formula II is reacted with a compound expressed by the formula R 2 ONH 2 to provide the aimed com pound expressed by formula I. n COPYRIGHT: (C)1988,JPO&Japio |