Heterocyclic compounds

Abstract

Triazole and imidazole compounds having the general formula (I): ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, are hydrogen, alkyl, optionally unsubstituted cycloalkyl, cycloalkylmethyl, alkenyl, heterocyclyl, aryl or aralkyl optionally substituted with halogen, nitro, alkyl, haloalkyl, haloalkoxy, alkoxy, phenyl, phenoxy, benzyl, benzyloxy, halophenyl or haloalkoxy, R.sup.3 is hydrogen, alkyl, alkenyl, alkynyl, aralkyl or acyl; R.sup.4 and R.sup.5, which may be the same or different, are hydrogen, alkyl, alkenyl or optionally substituted aryl; R.sup.6 and R.sup.7, which may be the same or different, are hydrogen, alkyl, alkenyl or optionally substituted aryl; X is oxygen or sulphur or is SO or SO.sub.2 ; and Az is a 1,2,4- or 1,3,4-triazole or imidazole ring; and isomers, acid addition salts and metal complexes thereof. These compounds possess fungicidal activity against fungal infection in plants.

Dependencies are inferred from the claim text.