AZOLYLNITRILE AND STERILIZER

Compounds of the formula (I) where R2 is a 5-membered or 6-membered heterocyclic structure possessing one or two hetero atoms or is phenyl which is unsubstituted or substituted by Rn, R is hydrogen, alkyl, alkoxy, alkylthio, alkylsulfonyl, halogen, haloalkyl, nitro, cyano, unsubstituted or substituted phenyl, unsubstituted or substituted phenoxy or unsubstituted or substituted amino, R1 is alkyl, cycloalkyl, cycloalkylalkyl, unsubstituted or substituted aryl, unsubstituted or substituted aralkyl, unsubstituted or substituted aryloxyalkyl, unsubstituted or substituted benzyloxyalkyl, unsubstituted or substituted alkenyl, unsubstituted or substituted alkynyl or (CH2-CH2O)m-R4, where R4 is C1-C4-alkyl, unsubstituted or substituted aryl or unsubstituted or substituted benzyl and m is 1, 2, 3 or 4, Het is 1,2,4-triazol-1-yl, imidazol-1-yl or pyrid-3-yl, n is 1, 2, 3, 4 or 5, Z is CH2, oxygen, SOt or (R3N), where t is 0, 1 or 2 and R3 has the same meanings as R1 and is identical to or different from R1 or together with R1 forms a diradical of the formula -(CH2)k- X-(CH2)1-, where k and 1 independently of one another are each 1, 2, 3, 4 or 5, and X is O, S or NH, or Z-R1 is unsubstituted or substituted phenyl, and their plant-tolerated acid addition salts, and fungicides containing them.