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US 3,940,389 AGranted
4 (3H)-Oxobenzo-2,1,3-thiadiazine-2,2-dioxides
AssigneeThe Dow Chemical Company
InventorsLennon H. McKendry, Walter P. Bland
Life of this patent
Estimating the term…
Abstract
Disclosed are certain novel substituted 4(3H)-oxobenzo-2,1,3-thiadiazine-2,2-dioxide compounds and derivatives thereof and methods employing the same in the control of undesired vegetation.
Claims12
A compound corresponding to the formula:
- ##SPC3##
- wherein:
- each X independently represents halo, Y'R.sup.2, Y"CF.sub.2 C(Z).sub.3, CF.sub.3, nitro, or loweralkyl, with the proviso that at least one X is always halo or nitro;
- n represents an integer of from 2 to 4, inclusive;
- m represents an integer of 1 or 2;
- R and R.sup.1 each independently represent hydrogen, loweralkyl, haloloweralkyl, cycloalkyl, aryl, benzyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, --Y'R.sup.2, --SCCl.sub.3 ;
- ##EQU1## --NH.sub.2, --SO.sub.2 aryl, --SO.sub.2 alkyl, --COOR.sup.3, --C(CH.sub.3).sub.2 C.tbd.CH or --C(CH.sub.3).sub.2 C.tbd.N;
- R.sup.2 is hydrogen or loweralkyl of from one to about four carbon atoms;
- R.sup.3 is loweralkyl;
- each loweralkyl, haloloweralkyl or --SO.sub.2 alkyl group has from one to about six carbon atoms;
- halo represents any one or more of fluoro, chloro, bromo or iodo;
- cycloalkyl has from about three to about eight carbon atmos;
- aryl represents phenyl, methylphenyl or halophenyl;
- and alkenyl, haloalkenyl, alkynyl and haloalkynyl are each radicals having from about three to about six carbon atoms;
- each Y, Y' and Y" independently represents a chalcogen group having an atomic number of from 8 to 16, inclusive;
- each Z independently represents bromo, chloro, fluoro, or hydrogen;
- and, where at least one of R or R.sup.1 is hydrogen, the salts thereof, with organic or inorganic bases.
14 more elements
A compound corresponding to the formula:
- ##SPC4##
- wherein:
- X represents halo or nitro;
- m represents an integer of 1 or 2;
- R and R.sup.1 each independently represent hydrogen, loweralkyl, haloloweralkyl, cycloalkyl, aryl, benzyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, --Y'R.sup.2, --SCCl.sub.3 ;
- ##EQU2## --NH.sub.2, --SO.sub.2 aryl, --SO.sub.2 alkyl, --COOR.sup.3, --C(CH.sub.3).sub.2 C.tbd.CH or --C(CH.sub.3).sub.2 C.tbd.N;
- R.sup.2 is hydrogen or loweralkyl of from one to about four carbon atoms;
- R.sup.3 is loweralkyl;
- each loweralkyl, haloloweralkyl or --SO.sub.2 alkyl group has from one to about six carbon atoms;
- halo represents any one or more of fluoro, chloro, bromo or iodo;
- cycloalkyl has from about three to about eight carbon atoms;
- aryl represents phenyl, methylphenyl or halophenyl;
- and alkenyl, haloalkenyl, alkynyl and haloalkynyl are each radicals having from about three to about six carbon atoms;
- each Y, Y' and Y" independently represents a chalcogen group having an atomic number of from 8 to 16, inclusive;
- each Z independently represents bromo, chloro, fluoro, or hydrogen;
- and, where at least one of R or R.sup.1 is hydrogen, the salts thereof, with organic or inorganic bases.
13 more elements
Dependencies are inferred from the claim text.