Herbicides based on cyclohexane-1,3-dione derivatives and...

Details Herbicides based on cyclohexane-1,3-dione derivatives and... Herbicides based on cyclohexane-1,3-dione derivatives and...

A - Human Necessities

01

N

71/8.1

A01N 43/40 (2006.01)

Patent

CA 1169263

ABSTRACT OF THE DISCLOSURE The present invention relates to herbicides contai- ning a mixture of a cyclohexane-1,3-dione derivative of the formula Image (I) where R1 is straight-chain or branched alkyl of 1 to 4 carbon atoms, which can be substituted by alkoxy, alkylthio of up to 4 carbon atoms or alkoxycarbonyl of up to 5 carbon atoms, or straight-chain or branched alkenyl or alkynyl of up to 4 carbon atoms or benzyl, R2 is hydrogen or straight-chain or branched alkyl of 1 to 4 carbon atoms, R3 is hydrogen or alkoxycarbonyl of 2 to 5 carbon atoms, n is 0, 1, 2 or 3 and, if n is 1, 2 or 3, Y is straight-chain or branched akyl of 1 to 4 carbon atoms, alkoxycarbonyl of 2 to 5 carbon atoms, halogen, cyano or phenyl which is unsubstituted or substituted by halogen, methyl or me- thoxy, or, if n is 1, Y is the radical R4S(O)mX-, where R4 is alkyl of up to 4 carbon atoms, unsubstituted phenyl or phenyl or benzyl each of which is substituted by halogen or alkyl or alkoxy of up to 4 carbon atoms, X is straight-chain or branched alkylene of up to 4 carbon atoms and m is 0, 1 or 2, or of a metal salt, an unsubstituted or substituted ammonium salt or a hydrate of the above cyclohexane 1,3-dione derivative, and a 3,6-dichloro- 2-picolinic acid derivative of the formula II Image (II) where R is hydrogen or straight-chain or branched alkyl of 1 to 4 carbon atoms, the ratio of cyclohexane -1,3-dione deriva- tive of the formula I to 3,6-dichloro-2-picolinic acid deriva- tive of the formula II being from 1:0.06 to 1:5 or a metal salt or unsubstituted or substituted ammonium salt of the acid.

383564

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