| abstract |
The present invention relates to the use as pesticides and in particular as fungicides of diaryl acetylene ketones of the general formula (I), in which Ar1 is optionally substituted phenyl, and Ar2 is optionally substituted phenyl or optionally substituted heteroaryl, with the exception of the compounds 1-phenyl-3-(2-chlorophenyl)-1-propyn-3-one, 1-phenyl-3-(4-chlorophenyl)-1-propyn-3-one, 1-phenyl-3-(2,4-dichlorophenyl)-1-propyn-3-one, 1-phenyl-3-(3,4-dichlorophenyl)-1-propyn-3-one and 1-phenyl-3-(2,4-dibromophenyl)-1-propyn-3-one. The invention also relates to novel diaryl acetylene ketones and a process for the preparation thereof. |