2-oximinomethyl-1-phenyl-1,3-propanedione derivatives as herbici

Details 2-oximinomethyl-1-phenyl-1,3-propanedione derivatives as herbici 2-oximinomethyl-1-phenyl-1,3-propanedione derivatives as herbici

1996-04-04

1998-02-24

Dees, Jose G.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

564256, A01N 3510, C07C24908, C07C25134, C07C29162

Patent

active

057211930

DESCRIPTION:

BRIEF SUMMARY
This Appln is a 371 of PCT/EP94/02580 Aug. 4, 1994.


FIELD OF THE INVENTION

This invention relates to novel oxime derivatives, compositions containing them, processes for their preparation, intermediates in their synthesis, and their use as herbicides.


BACKGROUND ART

In European Patent Publication Nos. 04754 and 024888 there are disclosed, as insecticides, ketoximinoethers of general structure Ar(R)C.dbd.NO--Q, where Ar may be optionally substituted phenyl, R is optionally substituted alkyl, cycloalkyl or alkenyl, and Q is optionally substituted 2-furyl-CHD--, 2-thienyl-CHD-- or phenyl-CHD--, where D is hydrogen, cyano, thiocarboxamido, alkyl or ethynyl.


DESCRIPTION OF THE INVENTION

The present invention provides novel oxime derivatives of formula I: ##STR2## wherein:
R.sup.1 represents:
a straight- or branched-chain alkyl group containing up to six carbon atoms which is optionally substituted by one or more halogen atoms; or
a cycloalkyl group containing from three to six carbon atoms optionally substituted by one or more groups which may be the same or different selected from R.sup.5, halogen, --CO.sub.2 R.sup.6, --SR.sup.51 and --OR.sup.6 ;
R.sup.2 represents:
a straight- or branched-chain alkyl, alkenyl or alkynyl group containing up to six carbon atoms optionally substituted by one or more halogen atoms;
a straight- or branched-chain alkyl group containing up to six carbon atoms which is substituted by a group --OR.sup.6 ;
a group selected from halogen, nitro, cyano, --CO.sub.2 R.sup.6, --COR.sup.6, --X--S(O).sub.q R.sup.51, --S(O).sub.p R.sup.51, --O(CH.sub.2).sub.m OR.sup.6, --NR.sup.7 R.sup.8, --CONR.sup.7 R.sup.8 and --OR.sup.6 ;
phenyl optionally substituted by from one to five groups R.sup.21 which may be the same or different; or
a cycloalkyl group containing from three to six carbon atoms optionally substituted by one or more groups which may be the same or different selected from R.sup.5, halogen, --CO.sub.2 R.sup.6, --SR.sup.51 and --OR.sup.6 ;
R.sup.3 represents:
the hydrogen atom;
a straight- or branched-chain alkyl group containing up to six carbon atoms optionally substituted by one or more halogen atoms;
a cycloalkyl group containing from three to six carbon atoms optionally substituted by one or more groups R.sup.5 or one or more halogen atoms which may be the same or different; or
phenyl optionally substituted by from one to five groups R.sup.21 which may be the same or different;
R.sup.4 represents:
a straight- or branched-chain alkyl, alkenyl or alkynyl group containing up to six carbon atoms optionally substituted by one or more groups which may be the same or different selected from halogen, --OR.sup.6 and phenyl optionally substituted by up to five groups R.sup.21 which may be the same or different;
a cycloalkyl group containing from three to six carbon atoms optionally substituted by one or more groups which may be the same or different selected from R.sup.5, halogen, --CO.sub.2 R.sup.6, --SR.sup.51 and --OR.sup.6 ;
or phenyl optionally substituted by up to five groups R.sup.21 which may be the same or different;
n represents zero or an integer from one to five;
R.sup.5 and R.sup.6, which may be the same or different, each represents a straight- or branched-chain alkyl group containing up to six carbon atoms which is optionally substituted by one or more halogen atoms;
R.sup.51 represents a straight- or branched-chain alkyl group containing up to six carbon atoms which is optionally substituted by one or more halogen atoms;
X represents oxygen, --(CR.sup.9 R.sup.10).sub.t -- or --N(R.sup.11)--;
p represents zero, one or two; q represents zero, one or two;
m represents an integer from one to three;
R.sup.7 and R.sup.8, which may be the same or different, each represents:
the hydrogen atom; or
a straight- or branched-chain alkyl group containing up to six carbon atoms optionally substituted by one or more halogen atoms;
R.sup.9 and R.sup.10, which may be the same or different, each represents:
the hydrogen atom;
a straight- or branched-chain alkyl or alkenyl group containi

REFERENCES:
patent: 4647698 (1987-03-01), Henrick

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