Dibenzofuranyloxyalkylimidazolium salts, their preparation...

C - Chemistry – Metallurgy – 07 – D

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260/305, 167/9.8

C07D 405/12 (2006.01) A01N 43/50 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1204444

E???osure Abstract of the Disclosure: A dibenzofuranyloxyalkylimidazolium salt of the formula Image where R1, R2 and R3 are identical or different and are each halogen, unsubstituted or halogen-substituted alkyl or alkoxy, each of 1 to 4 carbon atoms, cyano or nitro, R4, R5, R6 and R7 independently of one another are each hydrogen or alkyl of 1 to 4 carbon atoms, R8 is alkyl, alkenyl or alkynyl, each of not more than 6 carbon atoms, -CH2-Ar, -CH-?=CH-Ar or -(CH2)2-5-O-Ar, R4 being as defined above, Ar is naphth-1-yl, naphth-2-yl, biphenylyl or phenyl, and the phenyl radical can be substituted by fluorine, chlorine, bromine, nitro, trifluoromethyl, cyano or alkyl, alkenyl or alkoxy of not more than 5 carbon atoms, m is 1, 2, 3 or 4, n, p and q are each 0, 1, 2 or 3, and X is an anion of a monobasic, non-phytotoxic acid or one equivalent of an anion of a polybasic, non-phytotoic acid, processes for their preparation and their use as microbicides in crop protection and in industry.

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