4-benzoyl isoxazoles derivatives and their use as herbicides
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United States of America Patent
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Nov 27, 2001
Grant Date -
N/A
app pub date -
Nov 1, 1995
filing date -
Dec 18, 1992
priority date (Note) -
Expired
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Abstract
4-Benzoylisoxazole derivatives of the formula ##STR1## wherein R is H or an ester; R.sup.1 is alkyl, haloalkyl or optionally substituted cycloalkyl; R.sup.2 is halogen, optionally halogenated alkyl, alkenyl or alkynyl; alkyl substituted with one or more --OR.sup.5 ; --NO.sub.2, --CN, --CO.sub.2 R.sup.5, --S(O).sub.p R.sup.6, --O(CH.sub.2).sub.m OR.sup.5, --COR.sup.5, --NR.sup.5 R.sup.6, --N(R.sup.8)SO.sub.q R.sup.7, --CONR.sup.9 R.sup.10 or --OR.sup.51 ; or optionally substituted phenyl; R.sup.3 is --S(O).sub.q R.sup.7 ; X is --N(R.sup.8)--; n is 0, 1, 2, 3, or 4; R.sup.5, R.sup.51 and R.sup.6 are independently H; optionally halogenated alkyl, alkenyl or alkynyl; optionally substituted phenyl; or cycloalkyl; R.sup.7 is optionally halogenated alkyl, alkenyl or alkynyl; cycloalkyl; optionally substituted phenyl; or optionally substituted amino; R.sup.8 is H; optionally halogenated alkyl, alkenyl or alkynyl; cycloalkyl; optionally substituted phenyl; or alkoxy; m is 1, 2 or 3; p is 0, 1 or 2; q is 0 or 2; and their use as herbicides are described.
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