Substituted pyridyl-phenyl ethers

Details Substituted pyridyl-phenyl ethers Substituted pyridyl-phenyl ethers

C - Chemistry, Metallurgy

07

D

260/297, 71/8.1,

C07D 213/64 (2006.01) A01N 43/56 (2006.01) C07D 401/12 (2006.01)

Patent

CA 1217772

- 1 - Substituted Pyridyl-phenyl Ethers Abstract of the Disclosure Novel substituted pyridyl-phenyl ethers of the formula (I) Image in which X represents trifluoromethyl or chlorine, Y represents hydrogen or chlorine, R1 represents hydrogen or methyl and R2 represents formyl or the radicals of the formulae Image or Image in which R3 represents alkyl with 1 to 4 carbon atoms, or the two radicals R3 together represent an alkylene chain with 2 or 3 carbon atoms, R4, R5, R6 and R7 independently of one another represent hydrogen or alkyl with 1 to 4 carbon atoms, - 2 - m represents 1 or 2, n represents 0 or 1 and Z represents trimethylsilyl, optionally sub- stituted azolyl which is bonded via nitrogen or the radicals of the formulae Image in which R8 represents alkyl with 1 to 4 carbon atoms, or the two radicals R8 together represent an alkylene chain with 2 or 3 carbon atoms, R9 represents alkyl with 1 to 4 carbon atoms, X1 represents oxygen or sulphur and R10 and R11 independently of one another represent hydrogen or alkyl with 1 to 4 carbon atoms, several processes for the preparation of the new com- pounds and their use as herbicides.

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