Herbicidal tetrahydropyran-2,4-diones

Details Herbicidal tetrahydropyran-2,4-diones Herbicidal tetrahydropyran-2,4-diones

1993-06-15

1995-02-14

Gerstl, Robert

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

504266, 504269, 504275, 504280, 504283, 504289, 504292, 548194, 548204, 548214, 548247, 5483114, 5483657, 548518, 549 60, 549292, C07D41304, A01N 4374

Patent

active

053896025

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.

REFERENCES:
patent: 4008067 (1977-02-01), Hirono et al.
patent: 4347372 (1982-08-01), Fory et al.
patent: 4482727 (1984-11-01), Lee
patent: 4666510 (1987-05-01), Watson
patent: 4715884 (1987-12-01), Watson
patent: 4842638 (1989-06-01), Kart

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