EP0667343A1 — Alpha-pyrimidinyl acrylic acid derivatives with fungicidal activity

USPTO Abstract

The invention discloses fungicidal compounds of formula I wherein R¹ is C 1-4 alkoxy or -NR⁸R⁹, R² is C 1-4 alkyl, C 1-4 haloalkyl, aryl, aryloxy, C 3-5 alkenyloxy, C 3-5 alkynyloxy, halogen, aryl-C 1-4 alkoxy, aryloxy-C 1-4 alkyl, aryloxy-C 1-4 alkoxy, aryl-C 3-5 alkenyloxy, heteroaryl, heteroaryloxy, C 1-4 alkoxy, C 3-5 alkenyl, C 3-5 alkynyl, C 1-4 alkoxycarbonyl, -CONR¹⁰R¹¹, -O-CONR¹⁰R¹¹, -CR⁷=N-NR⁶R¹², -CR⁷=N-O-R⁶ or a group R³ is hydrogen, C 1-4 alkyl, C 1-4 alkoxy, cyano, nitro or halogen, R⁴ is hydrogen, halogen, C 1-4 alkoxy or C 1-4 alkyl, R⁵ is hydrogen or methyl, R⁶ is C 1-12 alkyl, C 3-12 alkenyl, C 3-12 alkynyl, aryl-C 1-4 alkyl, aryl or heteroaryl, R⁷ is hydrogen or methyl, R⁸ and R⁹ are independently C 1-4 alkyl or together C 3-6 alkylene, R¹⁰ and R¹¹ are independently C 1-4 alkyl or together C 3-6 alkylene or C 3-6 alkylene interrupted by oxygen or sulphur, R¹² is hydrogen or methyl, E is C 1-3 alkylene, X is CH or nitrogen, and Y is OCH₃, NH₂, NHCH₃ or N(CH₃)₂; the use of such compounds for the control of phytopathogens, composition for facilitating such use, and the preparation of the compounds of formula I.