| 摘要 |
- 38 - HOE 89/F 359 of the disclosure Pyridine derivatives, process for their preparation, agents containing them and their use as fungicides Compounds of the formula I (I), in which R1, R2, R3 and R4 are independently of one another, hydrogen, halogen, nitro, cyano ¢sic!, alkyl, alkoxy, alkylthio, haloalkoxy or haloalkyl, R5, R6 and R7 are independently of one another hydrogen, alkyl or phenyl, which can be substituted, R8 and R9 are independently of one another hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, it being possible for the two last-mentioned radicals to be substituted by alkyl, haloalkyl, alkoxy, alkylthio, alkoxyalkyl, alkylthioalkyl, halogen, alkenyl, alkynyl, phenyl, phenoxy, phenoxyalkyl, phenylmercaptoalkyl,phenylmercapto,phenylalkoxy or phenylalkylthio, it being possible for the seven last-mentioned radicals to be substituted in the phenyl moiety, or alkenyloxy, alkynyloxy, haloalkoxy, alkoxyalkoxy or alkylthioalkylthio, R10 is hydrogen, alkyl, alkoxy, alkenyloxy, alkynyl oxy, alkylthio, halogen, phenyl, it being possible for the phenyl radical to be substituted, or R8 and R10 together form a polymethylene chain of the formula -(CH2)m- where m = 3 - 4, R11 and R12 are independently of one another hydrogen or alkyl, Y is N or -CR10 and n = 1-3, and their acid addition salts, have valuable fungicidal properties. |
