NEW MATERIAL:A specific expressed by formula I [A is CO or C (a double bond is formed between 4-site and 5-site of pyrazole); X is O or S; Q is (substituted)phenyl or (substituted)heterocyclic group; B is CR3H, formula II or formula III (R3WR5 are H or alkyl)' R1 and R2 are H, halogen, CN, NO2 (substituted)alkyl, (substituted)alkoxy, (substituted)phenyl, etc.; R is alkyl, alkenyl, cycloalkyl, phenyl, etc., which may be each substituted].
EXAMPLE: 2-tert.-Butyl-5-[ 3'-(4"-tert.-butyl-phenyl)-2'-propenyloxy ]-2, 4-dihydro-4, 4'-dimethyl-3H-pyrazole-3-one.
USE: An insect pest-controlling agent.
PREPARATION: For example, a compound expressed by formula IV (Z1 is halo gen) is reacted with alcohols or thiols expressed by the formula HX-B-Q in the presence of a base to provide the compound expressed by formula I.
| WO/2001/035740 | SELECTIVE HERBICIDES BASED UPON 2,6-DISUBSTITUTED PYRIDINE DERIVATIVES |
| JP2011026349 | AGROCHEMICAL GRANULE |
| WO/1998/028278 | PESTICIDAL 1-ARYLPYRAZOLES |
MAKABE TAKAHIRO
TSUGENO MAKOTO
HIRATA KIMINORI
KUDO MASAKI
MIYAKE TOSHIRO
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