N-PHENYLPYRAZOL-4-YL DERIVATIVES, INSECTICIDAL PREPARATIONS IN WHICH THOSE DERIVATIVES ARE COMPRISED AND THEIR USE FOR FIGHTING INSECTS

摘要

An N-phenylpyrazol-4-yl ether derivative of the formula: wherein R<1> represents halogen, alkyl or alkoxy unsubstituted or substituted by halogen, alkylthio or alkylsulphinyl substituted by one or more halogen atoms, nitro, cyano, or alkylsulphonyl unsubstituted or substituted by halogen and n is 1 to 5, R<3> represents hydrogen, halogen, cyano, nitro or alkyl group R<2> which may be unsubstituted or substituted by halogen, R<4> represents alkyl, alkenyl or alkynyl which is substituted by halogen, R<5> represents hydrogen or an amino group wherein R<6> and R<7> represent hydrogen, alkyl, formyl or alkanoyl (or R<6> and R<7> together form a 5 or 6 membered cyclic imide) which may be unsubstituted or substituted by halogen, or alkoxycarbonyl unsubstituted or substituted by halogen, or R<5> represents alkoxymethyleneamino unsubstituted or substituted on methylene by alkyl, or represents halogen, or pyrrol-1-yl, pyrazol-1-yl, 1,2,3-triazol-1-yl, 1,2,4-triazol-4-yl, piperidino, pyrrolidino, morpholino or N-alkylpiperazino optionally substituted by alkyl or phenyl and pesticidally acceptable acid addition salts thereof, possess arthropodicidal, nematocidal, anthelmintic and anti-protozoal activity.