Ciba-geigy Corporation

Syngenta Crop Protection, Inc.

Ciba-geiby Corporation

Friedrich Karrer

Saleem Farooq

Alfred Rindlisbacher

Jozef Drabek

Willy Meyer

Jean Rody

Laurenz Gsell

Michael Rasberger

Gerardo Ramos

Thomas R Ward

Luigi M Venanzi

Hans-Peter Buser

Paul Moser

Mario Slongo

Roger Graham Hall

Godwin Berner

Georges Haas

Peter Hofmann

Erwin Nikles

Francois Bourgeois

William Vorley

Cyanohydrazone derivatives

Compounds of the formula ##STR1## in which: n is 0, 1 or 2, and, if n is 2, the two radicals R.sub.3 are identical or different;

Dioxolane derivatives

Compounds of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are as defined in claim 1 can be used as agrochemical active ingredients and can be prepared in a manner known per se.

Substituted phenyl ethers

Compounds of the formula ##STR1## in which R.sub.1 is halogen, C.sub.1 -C.sub.3 alkyl, halo-C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, halo-C.sub.1 -C.sub.3 alkoxy or cyano and/or two substituents R.sub.1 which are bonded to adjacent C atoms of the phenyl ring together are --O--CH.sub.2 --O--; R.sub.2 is hydrogen, halogen or methyl;

Carbamic acid derivatives

The novel 2R,4S-2-ethyl-4-[(4-phenoxyphenoxy)methyl]dioxolan of formula I ##STR1## can be used as a pesticide. It is used to control especially insects in fruit and citrus crops.

Methyldioxolan

Compounds of the formula ##STR1## in which R.sub.1 is halogen, C.sub.1 -C.sub.3 alkyl, halo-C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, halo-C.sub.1 -C.sub.3 alkoxy or cyano and/or two substituents R.sub.1 which are bonded to adjacent C atoms of the phenyl ring together are --O--CH.sub.2 --O--; R.sub.2 is hydrogen, halogen or methyl; R.sub.3 is fluorine, chlorine, bromine or C.sub.1 -C.sub.3 alkyl; R.sub.4 is hydrogen or C.sub.1 -C.sub.3 alkyl; either R.sub.5 is hydrogen, C.sub.1 -C.sub.4 alkyl, ##STR2## --COCO--R.sub.8,--CO--R.sub.9 or S(O).sub.m --N(R.sub.10)--COO--R.sub.11 and R.sub.6 is C.sub.1 -C.sub.6 alkyl, halo-C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.6 alkenyl, halo-C.sub.3 -C.sub.4 alkenyl, C.sub.3 -C.sub.5 alkynyl, halo-C.sub.3 -C.sub.5 alkynyl, C.sub.1 -C.sub.3 alkoxy-C.sub.1 -C.sub.3 alkyl, C.sub.3 -C.sub.6 cycloalkyl, unsubstituted or substituted phenyl; or R.sub.5 and R.sub.6 together are --(CH.sub.2).sub.4 -- or --(CH.sub.2).sub.5 --; R.sub.7 is hydrogen, halogen or C.sub.1 -C.sub.3 alkyl; R.sub.8 is C.sub.1 -C.sub.8 alkoxy or --N(R.sub.12).sub.2 ; R.sub.9 is C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, --N(R.sub.13).sub.2 or C.sub.1 -C.sub.4 alkoxy; R.sub.10 is C.sub.1 -C.sub.3 alkyl; R.sub.11 is C.sub.1 -C.sub.6 alkyl; R.sub.12 radicals independently of one another are C.sub.1 -C.sub.4 alkyl; R.sub.13 radicals independently of one another are C.sub.1 -C.sub.4 alkyl; m is the number 0, 1 or 2; n is the number 0, 1, 2 or 3 where, if n is 2 or 3, the radicals R.sub.1 can be identical or different; X is O, S, CH.sub.2, CO or --O--CH.sub.2 --; Y is O or S; and Z is O or S, with the exception of 1-(2-fluoro-4-phenoxyphenoxy)-2-ethylaminocarbonyloxyethane, in free form or in salt form, can be used as agrochemical active ingredients and can be prepared in a manner known per se.

There are disclosed 1-[4-(halophenoxy)phenoxy]-4-pentines of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other chloro or fluoro and one of R.sub.1 and R.sub.2 is also hydrogen, a process for their preparation and intermediates for their preparation, the use of these compounds in pest control, and pesticidal compositions which contain a compound of formula I as active component. The preferred field of use is ovicidal control of pests.

Ethers useful for controlling pests

A novel synergistic insectidical composition that comprises, in addition to carriers and/or other adjuvants or diluents, a component

Insecticidal composition

Novel substituted 2-phenoxyphenoxyethylcarbamic esters of the formula I ##STR1## where R.sub.1 is C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.4 alkenyl, R.sub.2 is C.sub.1 -C.sub.4 alkyl or a radical of the formula ##STR2## --C(CH.sub.3).sub.2 --CN or --N(R.sub.9)--COO--C.sub.1 -C.sub.4 alkyl, R.sub.3 and R.sub.4 independently of one another are hydrogen or methyl, R.sub.5 is fluorine or chlorine, R.sub.6 is either identical to the substituents given in the case of R.sub.5 or is hydrogen, R.sub.7 and R.sub.8 independently of one another are hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or nitro, R.sub.9 is C.sub.1 -C.sub.4 alkyl and n is zero, one or two, their preparation, their use in pest control, and pesticides containing these carbamic esters as active substance, are described. The preferred field of application is the control of pests on animals and plants, in partcular of eggs and larvae of phytophagous harmful insects and harmful mites.

Sulfenylated carbamic esters and their use in pesticides

Novel N-acylated 2-[4-(halophenoxy)-phenoxy]-ethylcarbamic acid esters of formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.8 alkyl or C.sub.3 -C.sub.5 alkenyl,

Bisacylethylamines

Ethyl 2-[4-(3-chlorophenoxy)phenoxy]ethylcarbamate is suitable controlling phytophagous cicadas in rice crops and fruit pests such as leaf rollers, citrus fruit pests such as scale insects, and vegetable and cotton pests such as white flies and noctuids.

Pesticidal composition

Novel N-acylated 2-[4-(4-fluorophenoxy)phenoxy]ethylcarmabates of formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.4 alkenyl or C.sub.3 -C.sub.4 alkynyl,

Acylated carbamates and use as insecticides

There are disclosed 1-[4-(halophenoxy)phenoxy]-4-pentines of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other chloro or fluoro and one of R.sub.1 and R.sub.2 is also hydrogen, a process for their preparation and intermediates for their preparation, the use of these compounds in pest control, and pesticidal compositions which contains a compound of formula I as active component. The preferred field of use is ovicidal control of pests.

Growing community of inventors

Zofingen, Switzerland

Friedrich Karrer