| abstract |
Compounds of having the general formula (I):n n and stereoisomers thereof, wherein R¹ is hydrogen, halogen, C₁₋₄ alkoxy, C₁₋₄ alkyl, C₂₋₄ alkenyl, C₂₋₄ alkynyl, C₁₋₄ haloalkyl, C₁₋₄ haloalkoxy, COR or cyano; R², R³ and R⁴ are independently hydrogen, halogen or methyl, provided that R², R³ and R⁴ are not all hydrogen and provided that when one of them is methyl then at least one of the other two is not hydrogen;n n wherein R⁵ is hydrogen, C₁₋₄ alkyl (optionally substituted by hydrogen or cyano), optionally substituted benzyl, C₂₋₄ alkenyl, C₂₋₄ alkynyl, cyano, COR C₁₋₄ thioalkoxy C₁₋₄ thiohaloalkoxy or SNR⁷R⁸; R⁷ and R⁸ are independently C₁₋₄ alkyl or CO₂R; Y is oxygen or sulphur; R⁶ is C₁₋₄ alkoxy, C₁₋₄ thioalkoxy or -NR⁹ R¹⁰ ; and R⁹ and R¹⁰ are independently hydrogen, C₁₋₄ alkyl, aryl or aralkyl or R⁹ and R¹⁰ join to form an optionally substituted heterocyclic ring and R is C₁₋₄ alkyl or C₃₋₇ cycloalkyl. These compounds are fungicidally active. |