Benzo-1,2,3-thiadiazole derivatives

Details Benzo-1,2,3-thiadiazole derivatives Benzo-1,2,3-thiadiazole derivatives

C - Chemistry, Metallurgy

07

D

C07D 285/14 (2006.01) A01N 43/82 (2006.01) C07D 405/06 (2006.01) C07D 409/06 (2006.01) C07D 417/06 (2006.01)

Patent

CA 2070300

PF/5-18671/A Benzo-1,2,3-thiadiazole derivatives Abstract Compounds of the formula Image in which A1 and A2 independently of one another are CO-C1-C4alkyl, COO-C1-C4alkyl, CO-CF3, CO-N(R)2 or cyano; A1 and A2 together are CO(X)n-C1-C3alkylene-(X)nCO, CO(X)n-C1-C3alkylene-(X)nCO which is substituted by C1-C4alkyl, COOR, CON(R)2, cyano or phenyl, it being possible for the phenyl ring, in turn, to be substituted by halogen, methyl, trifluoromethyl, methoxy, nitro or cyano; CO-N(R)-CO-N(R)-CO; R is hydrogen, C1-C6alkyl, C3-C6alkenyl or C3-C6alkynyl; X is oxygen, sulfur or N(CH3); X1, X2 and X3 independently of one another are hydrogen, halogen, methyl, methylthio, methoxy or nitro; n is 0 or 1; including the salts of the compounds of the formula I with agriculturally acceptable organic or inorganic bases, and including the metal complexes; have valuable microbicidal properties. The novel compounds can be used in crop protection for preventing the attack of crop plants by phytopathogenic microorganisms and for the control of these pests.

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