To obtain the subject new compound having excellent insecticidal and miticidal activities against many agricultural noxious insects and spider mites, giving little influence on mammals, fishes and beneficial insects and useful as a noxious life controlling agent.
This compound is expressed by formula I [W is oxygen atom or sulfur atom; A is group of formula II, III (X is H, cyano, etc.; (k) is 0-5), etc.; B is group of formula IV, V (Y is X; (m) is 0-5), etc.; Q is group of formula VI, VII (R6 is H, nitro, etc.), etc.; R1 and R2 are each H, a 1-6C alkyl, etc.; Z is X; (n) is 0-5] or its salt, e.g. 4-fluorophenyl 5-(4-fluorophenyl)-4-pyrazolyl ketone 4-(4-trifluoromethoxyphenyl)semicarbazone. The compound can be produced e.g. by reacting 4-fluorophenyl 5-(4-fluorophenyl)-4-pyrazolyl ketone with 4-(4-trifluoromethoxyphenyl)semicarbazide in ethanol in the presence of hydrochloric acid as a catalyst.
OTSU OSAMU
NUMATA AKIRA
OGURA TOMOYUKI
MIYAKE TOSHIRO
INOUE YOICHI
MIMORI NORIHIKO
TAKII SHINJI
