3-Aryluracils having an ether (thio) carbomyloxy or sulphomyloxy substituent on the aromatic moiety
AssigneeHoffmann-La Roche Inc.
InventorsJean Wenger, Paul Winternitz
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Abstract
The invention is concerned with 3-aryluracils of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as described herein, as well as salts thereof and their manufacture, weed control compositions which contain such compounds as the active substance and the use of the active substances or compositions for weed control. The invention is also concerned with herbicidally-active starting materials and weed control compositions containing these.
Claims36
A compound of the formula ##STR31## wherein R.sup.1 is C.sub.1-4 -alkyl, C.sub.1-4 -haloalkyl, formyl or C.sub.2-6 -alkanoyl,
- R.sup.2 is an ether group or a group containing a (thio)carbonyloxy or sulphonyloxy, whereby this group is directly attached to the benzene nucleus A via the oxygen atom,
- R.sup.3 is halogen or cyano,
- R.sup.4 is hydrogen or halogen,
- R.sup.5 is hydrogen, halogen or C.sub.1-4 alkyl,
- R.sup.6 is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl, or
- R.sup.5 and R.sup.6 are tetramethylene.
A compound of the formula ##STR32## wherein R.sup.1 is C.sub.1-4 -alkyl, C.sub.1-4 -haloalkyl, formyl, or C.sub.2-6 -alkanoyl,
- R.sup.3 is halogen or cyano,
- R.sup.4 is hydrogen or halogen,
- R.sup.5 is hydrogen, halogen or C.sub.1-4 -alkyl,
- R.sup.6 is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl
- R.sup.5 and R.sup.6 together are tri- or tetramethylene.
A compound of the formula ##STR33## wherein R.sup.1 is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl,
- R.sup.3 is halogen or cyano,
- R.sup.4 is hydrogen or halogen,
- R.sup.5 is hydrogen, halogen or C.sub.1-4 -alkyl,
- R.sup.6 is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl
- R.sup.5 and R.sup.6 together are tri- or tetramethylene.
A compound of the formula ##STR34## wherein R.sup.1 ' is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl,
- R.sup.3 is halogen or cyano,
- R.sup.4 is hydrogen or halogen,
- R.sup.5 is hydrogen, halogen or C.sub.1-4 -alkyl,
- R.sup.6 is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl
- R.sup.5 and R.sup.6 together are tri- or tetramethylene.
A compound of the formula ##STR35## wherein R.sup.1 ' is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl,
- R.sup.3 is halogen or cyano,
- R.sup.4 is hydrogen or halogen,
- R.sup.5 is hydrogen, halogen or C.sub.1-4 -alkyl,
- R.sup.6 is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl
- R.sup.5 and R.sup.6 together are tri- or tetramethylene.
A compound of the formula ##STR36## wherein R.sup.1 is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl,
- R.sup.3 is halogen or cyano,
- R.sup.4 is hydrogen or halogen,
- R.sup.5 is hydrogen, halogen or C.sub.1-4 -alkyl,
- R.sup.6 is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl
- R.sup.5 and R.sup.6 together are tri- or tetramethyloene and A.sup.- is an anion, selected from the group consisting of halide, hydrogen sulphate, or tetrafluoroborate.
A weed control composition, which contains an effective amount of at least one compound of the formula ##STR37## wherein R.sup.1 is C.sub.1-4 -alkyl, C.sub.1-4 -haloalkyl, formyl or C.sub.2-6 -alkanoyl,
- R.sup.2 is an ether group or a group containing a (thio)carbonyloxy or sulphonyloxy, whereby this group is directly attached to the benzene nucleus A via the oxygen atom,
- R.sup.3 is halogen or cyano,
- R.sup.4 is hydrogen or halogen,
- R.sup.5 is hydrogen, halogen or C.sub.1-4 -alkyl,
- R.sup.6 is C.sub.1-4 -alkyl or C.sub.1-4 -haloalkyl, or
- R.sup.5 and R.sup.6 together are tri- or tetramethylene, as well as formulation adjuvants.
Dependencies are inferred from the claim text.