Pyrazolinium compounds as herbicides and fungicides

C - Chemistry – Metallurgy – 07 – D

Patent

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260/315.4, 260/3

C07D 409/04 (2006.01) A01N 43/56 (2006.01) C07D 231/06 (2006.01) C07D 333/04 (2006.01)

Patent

CA 1048514

A B S T R A C T Compounds useful as herbicides having the formula: Image wherein Rl and R2 each represent alkyl C1-C4; R4 represents hydrogen, methyl, methoxy, methylthio, methylsulfinyl or methylsulfonyl; R3 and R5 each represent cycloalkyl C3-C7, cycloalkylmethyl C3-C7, methylcycloalkyl C3-C7, cycloalkenyl C3-C7, alkyl C2-C11, thienyl or Image , provided that when R4 is hydrogen at least one of R3 and R5 is a member other than phenyl; X represents an anion having a charge of from 1 to 3; n is an integer selected from 0 and 1; m is 1, 2 or 3; and Y and Z each represent hydrogen, halogen, nitro, cyano, alkyl C1-C4, alkoxy C1-C4 or CF3.

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