Herbicidal cyclohexane-1,3-dione derivatives and their preparati

Details Herbicidal cyclohexane-1,3-dione derivatives and their preparati Herbicidal cyclohexane-1,3-dione derivatives and their preparati

1998-05-12

2000-08-01

O'Sullivan, Peter

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

564 86, 564 88, 564253, 564257, 568 27, 568 28, 568 30, 568 31, 568 42, 568 43, 568308, 568309, 568319, 568322, 568323, 568424, C07C 4546

Patent

active

06096930&

ABSTRACT:
The present invention relates to novel cyclohexane-1-3-dione derivatives of formula (1) useful as herbicides and plant-growth regulants, ##STR1## wherein X is selected from the group consisting of hydrogen, halogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 haloalkyl, nitro, C.sub.1 -C.sub.6 alkylthio, C.sub.1 -C.sub.6 alkylsulfinyl, C.sub.1 -C.sub.6 alkylsulfonyl, C.sub.1 -C.sub.6 sulfamoyl, and N, N-di(C.sub.1 -C.sub.6 alkyl)sulfamoyl group; (X)n represents the number of X substituents which may be substituted on benzene ring, wherein n is 1, 2 or 3. Also, cyclohexyl moiety, one of the substituents on benzofuran ring, is substituted at C-4, C-5, C-6 or C-7 position on benzene ring; R.sup.1 is selected from the group consisting of hydrogen and C.sub.1 -C.sub.6 alkyl group; R.sup.2 is selected from the group consisting of C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl and C.sub.2 -C.sub.6 alkynyl group; R.sup.3 is selected from the group consisting of hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 haloalkenyl, C.sub.2 -C.sub.6 alkoxyalkyl, C.sub.2 -C.sub.6 alkylthioalkyl, benzyl and C.sub.2 -C.sub.6 haloalkanoyl group; R.sup.4 is selected from the group consisting of hydrogen, alkali metal cation, alkaline earth metal cation, C.sub.1 -C.sub.4 alkanoyl, C.sub.1 -C.sub.4 haloalkanoyl and benzoyl group.

REFERENCES:
patent: 4952722 (1990-08-01), Serban et al.
patent: 5154753 (1992-10-01), Meyer et al.
Smith et al., `Polyalkylbenzenes, etc.` Journal of the American Chemical Society, 73, 3843-3847, Aug. 1951.
March, J., Advanced Organic Chemistry, etc., McGraw-Hill, 413-416, 1968.

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