Fungicid
New complex compounds are of the general formula (R1R2N.CS.S)k.X.(R3)n where X is an atom of cobalt, iron, manganese, nickel, zinc or a mixture of two of these metals corresponding to 1 atom, the atomic ratio of the metals being between 1: 10 and 10: 1 when X is a mixture of two metals; R1 is hydrog...
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Zusammenfassung: | New complex compounds are of the general formula (R1R2N.CS.S)k.X.(R3)n where X is an atom of cobalt, iron, manganese, nickel, zinc or a mixture of two of these metals corresponding to 1 atom, the atomic ratio of the metals being between 1: 10 and 10: 1 when X is a mixture of two metals; R1 is hydrogen or an alkyl, cycloalkyl or aryl radical; R2 is hydrogen or an alkyl, cycloalkyl or aryl radical or -R4-NR5-CS-S; R4 is an alkylene radical of 1 to 6 carbon atoms; R5 is hydrogen, methyl or ethyl; k is 1 when R2 is -R4-NR5-CS-S-an 2 when R2 is hydrogen, alkyl, cycloalkyl or aryl; R3 is an unsaturated heterocyclic compound which may be substituted by one or more alkyl, cycloalkyl, aralkyl, aryl, mercapto or amino radicals; and n is 1, 2 or 3. They may be prepared by reacting a dithiocarbamic acid derivative of the formula (R1R2N.CS.S)kX, as defined in Claim 1, or an ammonia or amine complex thereof with an unsaturated mono- or polynuclear heterocyclic compound R3, as defined in Claim 1, if desired, in the presence of a solvent.ALSO:Pest control agents contain, in admixture with a solid or liquid diluent or carrier, a complex compound of the general formula (R1R2N. CS. S)k. X. (R3)n where X is an atom of cobalt, iron, manganese, nickel, zinc or a mixture of two of these metals corresponding to 1 atom, the atomic ratio of the metals being between 1 : 10 and 10 : 1 when X is a mixture of two metals; R1 is hydrogen or an alkyl, cycloalkyl or aryl radical; R2 is hydrogen or an alkyl, cycloalkyl or aryl radical or -R4-NR5-CS-S-; R4 is a C1-C6 alkylene radical; R5 is hydrogen, methyl or ethyl; k is 1 when R2 is R4-NR5-CS-S- and 2 when R2 is hydrogen, alkyl, cycloalkyl or aryl; R3 is an unsaturated heterocyclic compound which may be substituted by one or more alkyl, cycloalkyl, aralkyl, aryl, mercapto or amino radicals; and n is 1, 2 or 3. The complexes, which have especially good fungicidal activity, may be employed as an aqueous emulsion employing equal amounts of the complex, dimethyl formamide and a commercial non-ionic emulsifier. |
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