Herbicidal tetrahydropyran-2,4-diones

U.S. Patent Number: 5389602

Abstract: Tetrahydropyran-2,4-diones of the formula ##STR1## where R.sup.1 is hydrogen; C.sub.1 -C.sub.6 -alkyl; C.sub.2 -C.sub.6 -alkenyl; C.sub.2 -C.sub.6 -alkynyl; substituted or unsubstituted phenyl; C.sub.1 -C.sub.6 -alkylsulfonyl; substituted or unsubstituted benzenesulfonyl; C.sub.3 -C.sub.6 -alkenylcarbonyl; or substituted or unsubstituted benzoyl; R.sup.2 is C.sub.1 -C.sub.6 -alkyl; C.sub.2 -C.sub.6 -alkenyl; C.sub.2 -C.sub.6 -alkynyl; C.sub.1 -C.sub.6 -haloalkyl; or C.sub.3 -C.sub.6 -cycloalkyl; A, B and D are each .dbd.CH-- or .dbd.N--; E is oxygen, sulfur or --NR.sup.7 --. R.sup.7 is hydrogen; C.sub.1 -C.sub.6 -alkyl; C.sub.2 -C.sub.6 -alkenyl; C.sub.2 -C.sub.6 -alkanoyl; substituted or unsubstituted benzoyl; benzyl; or substituted or unsubstituted phenyl; X is halogen; C.sub.1 -C.sub.6 -alkyl; substituted or unsubstituted C.sub.3 -C.sub.6 -cycloalkyl; C.sub.2 -C.sub.6 -alkenyl; C.sub.2 -C.sub.6 -alkynyl; C.sub.1 -C.sub.6 -alkoxy; C.sub.2 -C.sub.6 -alkenyloxy; C.sub.1 -C.sub.6 -alkylthio; C.sub.1 -C.sub.6 -alkoxycarbonyl; C.sub.2 -C.sub.6 -alkanoyloxy; substituted or unsubstituted benzyloxy; substituted or unsubstituted NR.sup.5 R.sup.6 ; formyl; C.sub.2 -C.sub.6 -alkanoyl or its imine, oxime or Schiff's base; or substituted or unsubstituted phenyl; n is 0, 1 or 2; R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each hydrogen, C.sub.1 -C.sub.6 -alkyl, phenyl, C.sub.2 -C.sub.6 -alkanoyl, benzoyl and/or benzyl; Z is oxygen or --NOR.sup.8 ; and R.sup.8 is substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl; C.sub.2 -C.sub.6 -alkenyl; C.sub.2 -C.sub.6 -alkynyl; C.sub.2 -C.sub.6 -haloalkynyl; or substituted or unsubstituted thenyl; their environmentally compatible salts, and agents containing them.

Inventors: Kast; Juergen (Boehl-Iggelheim, DE), Kolassa; Dieter (Ludwigshafen, DE), Meyer; Norbert (Ladenburg, DE), Wuerzer; Bruno (Otterstadt, DE), Westphalen; Karl-Otto (Speyer, DE), Rademacher; Wilhelm (Limburgerhof, DE), Jung; Johann (Limburgerhof, DE)

Assignee: BASF Aktiengesellschaft (Ludwigshafen, DE)

Application Number: 08/076,687

Issued: 1995-02-14

Expired: 2007-02-14

Classes: 504/271 ; 504/266; 504/269; 504/275; 504/280; 504/283; 504/289; 504/292; 548/194; 548/204; 548/214; 548/247; 548/311.4; 548/365.7; 548/518; 549/292; 549/60

Field of search: 548/194,204,214,247,311.4,365.7,518 549/60,292 504/266,269,271,275,280,283,289,292

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