Abstract: The invention relates to a process for the preparation of the compound of formula (I), which process comprises a) reacting a compound of formula (II), wherein X is chloro or bromo, with an organometallic species in an inert atmosphere to a halobenzyne of formula (X), reacting the halobenzyne of formula X so formed with cyclopentadiene to (III), b) reacting III in the presence of an inert solvent with an oxidant to (IV), c) reacing IV in the presence of a Lewis acid and a hydride source to (V), d) reacting V in the presence of an oxidizing agent, a base and an inert solvent to (VI), e) converting VI in the presence of a phosphane and CCL4 or CHCl3 to (VII), and either f1) reacting VII with NH3 in the presence of a catalyst to the compound of formula (VIII); and g) reacting VIII in the presence of a base with a compound of formula (IX), to the compound of formula (I); or f2) reacting the compound of formula (VII), in the presence of a solvent, a base, a copper catalyst and at least one ligand with the compound

Abstract: The present invention relates to novel imidazole derivatives of formula (I) having microbiocidal, in particular fungicidal, activity, to processes for their preparation and intermediates used in their preparation, to agrochemical compositions comprising them and to the use in agriculture or horticulture for controlling or preventing infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, preferably fungi.

Abstract: The present invention relates to novel imidazole derivatives of formula (I) as active ingredients which have microbiocidal activity, in particular fungicidal activity: wherein R1 is halogen, C1-C4alkyl or C1-C4haloalkyl; R2 is an optionally substituted aryl or heteroaryl; R3 is halogen; R4 is hydrogen, halogen, C1-C4alkyl, C1-C4haloalkyl, hydroxyl, C1-C4alkoxy, OR6, C1-C4haloalkoxy or cyano; R5 is halogen; R6 is hydrogen, C3-C7 cycloalkyl, C3-C10 alkylcycloalkyl, C1-C6 haloalkyl, C2-C6 alkenyl, C2-C6 haloalkenyl, C3-C7 cycloalkenyl, C2-C6 alkynyl, C2-C6 haloalkynyl or C2-C6 alkyloxyalkyl; X is N or C(R); and R is hydrogen, halogen, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, C1-C4haloalkoxy or cyano; or an agrochemically usable salt form thereof; provided that when X is C(R), R2 cannot be an optionally substituted aryl.

Abstract: The present invention relates to novel imidazole derivatives of formula (I) as active ingredients which have microbiocidal activity, in particular fungicidal activity: wherein R1 is halogen, C1-C4alkyl or C1-C4haloalkyl; R2 is an optionally substituted aryl or heteroaryl; R3 is halogen; R4 is hydrogen, halogen, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, C1-C4haloalkoxy or cyano; R5 is halogen; X is N or C(R); and R is hydrogen, halogen, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, C1-C4haloalkoxy or cyano; or an agrochemically usable salt form thereof; provided that when X is C(R), R2 cannot be an optionally substituted aryl.

Abstract: A fungicidal composition suitable for control of disease caused by phytopathogens comprising (A) a compound of formula (I), wherein R1 is methyl, ethyl or isopropyl; R2 is 2-chloro-6-fluoro-phenyl, 2,4,6-trifluorophenyl or 2,6-difluoro-4-methoxy-phenyl; R3 is chloro, fluoro or methoxy; and (B) a compound selected, for example, from the group consisting of (B1) a strobilurin fungicide, (B2) an azole fungicide, (B3) a morpholine fungicide, and (B4) an anilinopyrimidine fungicide.

Abstract: The present invention relates to novel pyridazine derivatives of formula (I) as active ingredients which have microbiocidal activity, in particular fungicidal activity: wherein R1 is methyl, ethyl or isopropyl; R2 is chloro, fluoro, hydroxy or C1-C2alkoxy; R3 is H, chloro, fluoro, methoxy or C1-C3alkyl; R4 is chloro, fluoro or bromo; and R3 is H, fluoro or methoxy; or an agrochemically usable salt form thereof; with the proviso that when R1 is methyl, R2 is chloro and R3 is H, then R4 or R5 is different from fluoro.

Abstract: The present invention relates to novel pyridazine derivatives of formula (I) as active ingredients which have microbiocidal activity, in particular fungicidal activity: formula (I) wherein R1 is C1-C6alkyl, C1-C6haloalkyl or C3-C6cycloalkyl; R2 is hydrogen or an optionally substituted alkyl, aryl or heteroaryl; R3 is hydrogen, C1-C6alkyl or C1-C6haloalkyl; R4 is hydrogen, C1-C6alkyl or C1-C6haloalkyl; or R3 and R4 together can be part of a carbocyclic or heterocyclic 3- to 8-membered ring; R5 is optionally substituted aryl or heteroaryl; and R6 is hydroxy, halogen, C1-C6alkoxy, C1-C6haloalkoxy, C1-C6alkylthio or C1-C6haloalkylthio; or an agrochemically usable salt form thereof.

Abstract: The present invention relates to compounds of formula (I) wherein R1, R2, R3 and R4 are as defined in claim 1, which are useful as fungicides.