C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/452, 260/466
C07C 257/04 (2006.01) A01N 25/32 (2006.01) A01N 37/52 (2006.01) A01N 43/00 (2006.01) C07C 257/06 (2006.01) C07C 257/08 (2006.01) C07F 7/10 (2006.01)
Patent
CA 2024876
HOE 89/F 287 ABSTRACT OF THE DISCLOSURE Plant-protection agents containing N-arylhydrazones, and novel N-arylhydrazones The compounds of the formula (I) are suitable for reduc- ing or preventing phytotoxic secondary effects of herbicides on crop plants. Image (I) In the formula, Z1 is Hal, NO2, CN, R, RO, RS or cyclo-R, where R is alkyl or alkyl which is substituted by alkoxy, OH or halogen, or Zl is NH2, RNH, RRN, phenyl, phenoxy, halophenyl or halophenoxy, R1 is R or cyclo-R, where R is saturated or unsaturated and/or is alkyl which is substituted by R'O, R'S, R'NH, R'R'N, R'OCO, R'COO, CN or halogen, or R1 is phenylalkyl or optionally substituted phenyl, n1 is 0 - 5, A is oxygen or sulfur, B is -CO-R2 or -phenyl-(Z2)n2, where Z2 is defined as Z1 and n2 is 0 to 5, R2 is OH, RO, RS or cyclo-RO, where R is saturated or unsaturated and/or is alkyl which is substituted by R'O, R'S, R'N, R'R'N, CN or halogen, or R2 is RRRSiCH2O or a radical of the formula -NR-phenyl- (Z3)n3 (R is H, alkyl) or 2,3-oxazolin-2-yl, optionally alkyl-substituted, and Z3 is defined as Z1, n3 is 0 - 5, mono- or dialkylamino, cycloalkylamino, pyridino, morpholino, dimethylmor- pholino, a radical of the formula -O-N=CR3R4, where R3 and R4 are alkyl radicals or, together with the carbon atom, are a cycloalkyl radical.
Bauer Klaus
Bieringer Hermann
Loher Heinz J.
Sohn Erich
Bauer Klaus
Bieringer Hermann
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Loher Heinz J.
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