Pyrazolium salts

Details Pyrazolium salts Pyrazolium salts

C - Chemistry, Metallurgy

07

D

260/315.3, 71/8.

C07D 231/10 (2006.01) A01N 25/00 (2006.01) C07D 231/12 (2006.01) C07D 231/16 (2006.01) C07D 231/18 (2006.01)

Patent

CA 1078394

ABSTRACT OF THE DISCLOSURE The present invention relates to new and valuable pyrazolium salts having the general formula: Image , where X denotes an anion and D denotes identical or different lower alkyl radicals, and a) C denotes hydrogen, lower alkyl, halogen or lower alkoxy, A denotes unsubstituted phenyl or phenyl substituted by lower alkyl, lower alkoxy or halogen, and B denotes unsubstituted phenyl or phenyl substituted by lower alkyl, lower alkoxy or halogen, or b) B denotes halogen or lower alkoxy, A denotes unsubstituted phenyl or phenyl substituted by lower alkyl, lower alkoxy or halogen, and C denotes unsubstituted phenyl or phenyl substituted by lower alkyl, lower alkoxy or halogen, or c) C denotes hydrogen, lower alkyl, lower alkoxy or halogen, A denotes hydrogen, lower alkyl, lower alkoxy or halogen, and B denotes unsubstituted phenyl or phenyl substituted by lower alkyl, lower alkoxy or halogen, or d) C denotes hydrogen, lower alkyl, lower alkoxy or halogen, B denotes hydrogen, lower alkyl, lower alkoxy or halogen and A denotes unsubstituted phenyl or phenyl substituted by lower alkyl, lower alkoxy or halogen, or e) A, B and C simultaneously denote identical or different halogen radicals. These pyrazolium salts have a good herbicidal action.

218846

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