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US 4,537,622 AGranted
Diurethanes and selective herbicidal agent containing them
AssigneeSchering Corporation
InventorsGerhard Boroschewski, Friedrich Arndt
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Abstract
Diurethanes of the general formula ##STR1## are disclosed, in which R.sub.1 is alkyl, alkenyl or haloalkyl, and R.sub.2 is phenyl or cyclohexyl or substituted phenyl or cyclohexyl. These compounds show exceptional selective herbicidal activity in particular in tomato cultures, and are most effective in post-emergence treatment.
Claims21
Diurethanes of the general formula ##STR9## in which R.sub.1 is alkyl, alkenyl or halogen alkyl and
- R.sub.2 is phenyl, or phenyl or cyclohexyl mono- or poly-substituted, equally or differently, by halogen, trifluoromethyl, alkyl and/or alkoxy.
Dependencies are inferred from the claim text.