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US 2001/0018442 A1Published application
Halogen pyrimidinyl aryl (thio)ethers as pesticides
AssigneeBayer Aktiengesellschaft
InventorsHerbert Gayer, Peter Gerdes, Ulrich Heinemann, Bernd-Wieland Kruger, Ralf Tiemann, Stefan Dutzmann, Gerd HanBler, Klaus Stenzel
Life of this patent
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Abstract
The invention relates to novel halogenopyrimidines, to two processes for their preparation and to their use as pesticides.
Claims10
Compounds of the general formula (1) 15
- in which
- Z represents respectively optionally substituted cycloalkyl, aryl or heterocyclyl,
- R represents hydrogen or alkyl,
- Q represents oxygen or sulphur and
- X represents halogen,
- L1, L2, L3 and L4 are identical or different and, independently of one another, each represents hydrogen, halogen, cyano, nitro, respectively optionally halogen-substituted alkyl, alkoxy, alkylthio, alkylsulphinyl or alkylsulphonyl.
3 more elements
Compounds of the formula (IV) 18
- in which
- L1, L2, L3 and L4 are identical or different and, independently of one another, each represent hydrogen, halogen, cyano, nitro, respectively optionally halogen-substituted alkyl, alkoxy, alkylthio, alkylsulphinyl or alkylsulphonyl,
- R represents hydrogen or alkyl,
- X represents halogen and
- Y2 represents halogen.
2 more elements
Process for preparing compounds of the formula (I) 19
- in which
- Z represents respectively optionally substituted cycloalkyl, aryl or heterocyclyl,
- R represents hydrogen or alkyl,
- Q represents oxygen or sulphur and
- X represents halogen,
- L1, L2, L3 and L4 are identical or different and, independently of one another, each represent hydrogen, halogen, cyano, nitro, respectively optionally halogen-substituted alkyl, alkoxy, alkylthio, alkylsulphinyl or alkylsulphonyl,
- characterized in that
- a) 2-(2-hydroxyphenyl)-2-methoxyimino-acetamides of the formula (II) 20
- in which
- R, L1, L2, L3 and L4 are each as defined above
- are reacted with a substituted halogenopyrimidine of the general formula (III) 21
- in which
- Z, Q, R and X are each as defined above and
- Y1 represents halogen,
- if appropriate in the presence of a diluent, if appropriate in the presence of an acid acceptor and if appropriate in the presence of a catalyst, or
- b) phenoxypyrimidines of the general formula (IV) 22
- in which
- R, L1, L2, L3, L4 and X are each as defined above and
- Y2 represents halogen
- are reacted with a ring compound of the general formula (V)
- Z—Q—H (V)
- in which
- Z and Q are each as defined above,
- if appropriate in the presence of a diluent, if appropriate in the presence of an acid acceptor and if appropriate in the presence of a catalyst.
21 more elements
Dependencies are inferred from the claim text.