Fungicidal N-Benzyl-5-Hydroxy-5-Phenylpryrazolines, Processes For Their Preparation and Compositions Comprising Them

摘要

N-benzoyl-5-hydroxy-5-phenylpyrazolines of the formula I in which the substituents are as defined below: L¹, L² are hydrogen, halogen, haloalkyl, alkenyl, haloalkenyl, alkynyl or haloalkynyl; L³, L⁴, L⁵ are alkyl or one of the groups mentioned under L¹ and L²; X is oxygen or sulfur; R¹ is halogen, nitro, cyano, NR'₂, alkyl, haloalkyl, alkoxy, alkenyl, haloalkyl, alkynyl, haloalkynyl, cycloalkyl, cycloalkenyl, cycloalkynyl, phenyl, 5- or 6-membered heterocyclyl or hetaryl which contains one to four heteroatoms from the group consisting of O, N and S; R' independently of one another are hydrogen or alkyl; m is 1, 2, 3, 4 or 5; R² is hydrogen or alkyl; R³ is hydrogen, nitro, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkenyl, haloalkenyl, alkynyl, haloalkynyl or NR'₂, where R⁴ is hydrogen, halogen, nitro, cyano, NR'₂, alkyl, haloalkyl, COOR' or 5- or 6-membered heterocyclyl or hetaryl which contains one to four heteroatoms from the group consisting of O, N and S; where the variables mentioned above may be substituted according to the description; processes for their preparation, their use for controlling harmful fungi and compositions comprising them.