Novel halogenated 1-azolyl-butane derivatives their preparation and their use as fungicides

Fungicidal 1-(azol-1-yl)-4-halo-1-phenoxy-butan-2-ones and -ols of the formula <IMAGE> in which R represents alkyl with 1 to 4 carbon atoms; X represents hydrogen, alkyl with 1 to 4 carbon atoms or halogen; Y represents halogen; Z represents halogen, straignt-chain or branched alkyl with 1 to 4 carbon atoms, cycloalkyl with 5 to 7 carbon atoms, halogenoalkyl with 1 or 2 carbon atoms and 1 to 5 halogen atoms, alkoxy with one or 2 carbon atoms, alkylthio with 1 or 2 carbon atoms, alkoxycarbonyl with 1 to 5 carbon atoms in the alkoxy part, amino, cyano, nitro, phenyl or phenoxy substituted with at least one of halogen, amino, cyano, nitro and alkyl with 1 to 2 carbon atoms, phenylalkyl with 1 or 2 carbon atoms on the alkyl part optionally substituted in the alkyl part by alkylcarbonyl with a total of up to 3 carbon atoms and in the phenyl part by halogen, nitro or cyano; n represents 0,1,2 or 3, A is -CO- or CH(OH)-, and B is -N= or -CH=, or a salt thereof.