Bayer Aktiengesellschaft

Jurgen Schramm

Erich Klauke

Robert R Schmidt

Ludwig Eue

Lothar Rohe

Ingeborg Hammann

Wilhelm Sirrenberg

Wilhelm Stendel

Eduard Radlmann

Eckart Kranz

Gunther Nischk

Axel Haberkorn

Heinrich Kolling

Gunter Arend

Heinz Schaffner

Gunter Nischk

Wihelm Stendel

4-Cyano-4'-[N-(N'-substituted-benzoyl)-ureido]-diphenyl ethers of the formula ##STR1## in which R.sup.1 represents halogen or alkyl,

Combating arthropods with

4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the general formula ##STR1## in which R is chlorine, fluorine or methyl,

4-Nitro-4-isocyanato- or amino-diphenyl ethers

Halogenated 4-trifluoromethyl-4'-nitro-diphenyl-ether compounds of the formula ##STR1## in which R is halogen or methylthio, and

Halogenated 4-trifluoromethyl-4'-nitro-diphenyl-ether

4-(3-Trifluoromethylphenoxy)-phenylurea compounds of the formula ##STR1## wherein R is hydrogen or methyl, Exhibit powerful herbicidal properties.

4-(3-Trifluoromethylphenoxy)-phenylurea compounds and herbicidal

New (trifluoromethylphenoxy)-phenylureas of the formula: ##STR1## wherein R is hydrogen or methyl and

(Trifluoromet hylphenoxy)-phenylurea compounds and herbicidal

Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkythio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;

Halogenated 4-trifluoromethyl-diphenyl-ether compounds and herbicidal

2',4-Dichloro-4'-benzoylureido-diphenyl ethers of the formula ##STR1## in which R is chlorine, fluorine, bromine or methyl, and

2,4-Dichloro-4-benzoylureido-diphenyl ethers

2',3,6'-Trichloro-4-cyano-4'-[N-(N'-o-substituted-benzoyl))-ureido]-dipheny l ethers of the formula ##STR1## in which R represents chlorine, fluorine, bromine or methyl, which possess insecticidal properties.

2',3,6'-Trichloro-4-cyano-4'-[N-(N'

4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers

Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;

Halogenated 4-trifluoromethyl-diphenyl-ether herbicidal compositions

The invention relates to a process for the production of allyl or methallyl phosphonic acid dialkyl esters by reacting allyl chloride or methallyl chloride with trialkyl phosphites at temperatures of from 80.degree. to 160.degree. C in the presence of a compound of avalent and/or monovalent nickel or in the presence of a compound of avalent, monovalent or divalent cobalt.

Process for the production of (meth)allyl phosphonic acid dialkyl esters

2-Chloro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the formula ##STR1## in which R.sup.1 is fluorine, chlorine, bromine or methyl,

Insecticidal 2-chloro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers

Benzoylureido-diphenyl ethers of the formula ##SPC1## In which

Benzoylureido-diphenyl ether insecticides

Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##SPC1## In which

Growing community of inventors

Dormagen, Germany

Jurgen Schramm