A N - acetonilbenzamida Fungicide composition, a process for their PreparationA method for controlling phytopathogenic fungi and a process for preparing a racemic mixture of (R) and (S) Enantiomers of said composition

摘要

It refers to new components, including (a) a corresponding isomer of n-acrylonitrile-benzodienyl fungicide (I),where: 1.A is selected from N and C-R5; 2. R1 and R2 are distinct and are independently selected from H, (C1-C6) alkyl, (C2-C6) alkenyl, (C2-C6) alkynyl, and halo (C1-C6) alkyl, and R2 is stereochemically larger than R1; 3. R3, R4 and R5 are independently selected from H, halo, (C1-C6) alkyl, (C2-C6) alkenyl, halo (C1-C6) alkyl, (C1-C6) alkoxy, cyano, nitro, -CR6 = NOR7, -NR8R9, -CONR10R11 and -NH-CO-OR12 where R6 is selected from H, (C1-C6) alkyl, (C2-C6) alkenyl, and (C2-C6) alkynyl; R7 is selected from H, (C1-C6) alkyl, (C2-C6) alkenyl, (C2-C6) alkynyl, and (C1-C6) alkylcarbonyl, R8 and R9 are independently selected from H, (C1-C6) alkyl ,and (C1-C6) alkylcarbonyl; R10 and R11 are independently selected from H and (C1-C6) alkyl; and R12 is selected from H, (C1-C6) alkenyl, and (C2-C6) alkynyl; and 4. X, Y, and Z are independently selected from H, halo, cyano, thiocyan, isothiocyan, and (C1-C4) alkyl sulfonyloxy, provided that X, Y, and Z are not all H; and b) an agronomically acceptable vehicle, where the composition is predominantly free of the compound of formula (I) where R1 is stereochemically longer than R2. A process for its preparation is further described,A method of controlling plant pathogenic fungi and the process of producing racemic mixtures of their corresponding isomers (R) and (s).