| abstract |
NEW MATERIAL:A pyrazole derivative shown by the formula I (R 1 and R 2 are lower alkyl). n EXAMPLE: 4-(2, 4-Dichlorobenzoyl)-1, 3-dimethyl-5-(N-butyl-N-buthoxycarbonylaminomethoxy)-pyrazole. n USE: A herbicide or acaricide. n PROCESS: A compound shown by the formula II is reacted with a compound shown by the formula III in a solvent such as preferably tetrahydrofuran, benzene, etc. to give a compound shown by the formula I . n COPYRIGHT: (C)1984,JPO&Japio |