| 摘要 |
Novel substituted pyridyl-phenyl ethers of the formula <IMAGE> (I) 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> 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, m represents 1 or 2, n represents 0 or 1 and Z represents trimethylsilyl, optionally substituted 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, and their use as herbicides.
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