Diurethanes containing sulphur, process for their preparation and their use as herbicides

摘要: 1. A diurethane of the general formula see diagramm : EP0000030,P50,F6 where Z denotes radical EP0000030,P50,F7 and Y EP0000030,P50,F8 always being different from R**1 R**2 identical or each denoting hydrogen, alkyl 1 to 4 carbon atoms, alkoxyalkyl 2 alkoxycarbonylalkyl 3 5 haloalkyl unsubstituted benzyl, benzyl substituted by atoms halogen, R**3 R**4 6 alkoxy halogen-substituted phenyl phenyl, alkenyl alkynyl C1 -C4 -alkyl- cycloalkyl 8 bicycloalkyl 7 tricycloalkyl 10 15 with a fused ring system, mono- poly-substituted substituents halogen X nitro amino, n one integers 1, 2, 4, A, B, D E are oxygen sulfur (with proviso that radicals not simultaneously sulfur).