Microbicides

Details Microbicides Microbicides

C - Chemistry, Metallurgy

07

D

C07D 249/18 (2006.01) A01N 43/647 (2006.01) A01N 43/82 (2006.01) C07D 405/12 (2006.01)

Patent

CA 2045010

PF/5- 18127/A Microbicides Abstract Novel benzotriazolesulfonic acid derivatives of formula Image wherein: R1 is hydrogen, halogen, C1-C4alkyl, C1-C4alkoxy, C1-C4haloalkoxy having at least two identical or different halogen atoms, CF3, nitro or the group N(R')R", wherein R' and R" are each independently of the other C1-C4alkyl; R2 is phenoxy or phenylthio each of which is unsubstituted or mono- to tri-substituted by halogen, C1-C4alkyl, C1-C4alkoxy, C1-C4haloalkoxy having at least two identical or different halogen atoms, cyano, nitro, C2-C4alkenyl, C2-C4alkynyl, phenyl, 2-phenylethynyl or by a further phenoxy radical that is unsubstituted or substituted by halogen, C1-C4alkyl and/or by C1-C4alkoxy; or R2 is the radical O-CH2-O; R3 is alkyl, aryl or aralkyl having a maximum of 14 carbon atoms, these radicals can be substituted by halogen, C1-C4alkyl and/or by nitro; including the position isomers of R1 and R2, insofar as those substituents occupy positions S and 6. The novel compounds have plant-protecting properties and are suitable especially for protecting plants against attack by phytopathogenic microorganisms such as fungi, especially Oomycetes.

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