A compound of formula (I): F1 Het is a 5- or 6-membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, the ring being substituted by groups R4, R5 and R6; R1 is hydrogen or halo; R2 is hydrogen or halo; R3 is optionally substituted C2-12 alkyl, optionally substituted C2-12 alkenyl, optionally substituted C2-12 alkynyl, optionally substituted C3-12 cycloalkyl, optionally substituted phenyl or optionally substituted heterocyclyl; and R4, R5 and R6 are, independently, selected from hydrogen, halo, cyano, nitro, C1-4 haloalkyl, C1-4 alkoxyl (C(1-4) alkoxyl (C1-4) alkyl and C1-4 haloalkoxy (C1-4) alkyl, provided that at least one of R4, R5 and R6 is not hydrogen. The compounds of formula (I) have plant-protective properties and are suitable for protecting plants against infestations by phytopathogenic microorganisms.
化合物式(I):F1 Het是一个含有1-3个杂原子(独立地从氧、氮和
硫中选取)的5-或6-成员杂环,该环被R4、R5和R6基团取代;R1为氢或卤素;R2为氢或卤素;R3为可选择的取代C2-12烷基、可选择的取代C2-12烯基、可选择的取代C2-12炔基、可选择的取代C3-12环烷基、可选择的取代苯基或可选择的取代杂环基;而R4、R5和R6则分别独立地选自氢、卤素、
氰基、硝基、C1-4卤代烷基、C1-4烷氧基(C(1-4)烷氧基(C1-4)烷基和C1-4卤代氧基(C1-4)烷基,但至少其中的一个不为氢。式(I)的化合物具有植物保护特性,适用于保护植物免受植物病原微
生物的侵害。