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US 4,051,130 AGranted
4(3H)-oxobenzo-2,1,3-thiadiazine-2,2-dioxides and derivatives thereof
AssigneeThe Dow Chemical Company
InventorsLennon H. McKendry, Walter P. Bland
Life of this patent
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Abstract
Disclosed are novel 4(3H)-oxobenzo-2,1,3-thiadiazine-2,2-dioxides and derivatives and methods employing the same in the control of undesired vegetation.
Claims27
A compound corresponding to the formula:
- ##STR28## wherein:
- each X independently represents loweralkyl, haloloweralkyl, cycloalkyl having from 3 to about 8 carbon atoms, phenyl, loweralkylphenyl, halophenyl, --SCN, --COOR.sup.5, ##STR29## --YR.sup.2, --SO.sub.2 R.sup.5, --SO.sub.2 NR.sup.3 R.sup.4, --CF.sub.3, ##STR30## or --Y'CF.sub.2 C(Z).sub.3 ;
- n represents an integer of 1 to 4, inclusive;
- m represents an integer of 1 or 2;
- R represents loweralkyl, haloloweralkyl;
- alkenyl, haloalkenyl, alkynyl and haloalkynyl, each of about 3 to about 6 carbon atoms;
- cycloalkyl of 3 to about 8 carbon atoms;
- phenyl, loweralkylphenyl, halophenyl, benzyl, loweralkylbenzyl, halobenzyl, loweralkoxyloweralkyl, diloweralkylaminoloweralkyl;
- loweralkylthioloweralkyl, or cyanoloweralkyl;
- R.sup.1 represents hydrogen, ##STR31## --SO.sub.2 R.sup.10 or --SO.sub.2 NR.sup.8 R.sup.9 ;
- R.sup.2 and R.sup.5 each represent alkyl of 1 to 2 carbon atoms;
- R.sup.3 represents loweralkyl;
- R.sup.4 represents hydrogen or loweralkyl;
- R.sup.6 represents loweralkyl and hololoweralkyl each having from 1 to 5 carbon atoms, alkenyl and haloalkenyl of 2 to 5 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, loweralkoxyloweralkyl and loweralkylthioloweralkyl, each of 2 to 6 carbon atoms, alkoxycarbonylalkyl of 4 to 8 carbon atoms, phenyl, loweralkylphenyl or halophenyl;
- R.sup.7 represents alkyl of 1 to 7 carbon atoms, haloalkyl of 1 to 4 carbon atoms, alkenyl and haloalkenyl of 3 to 6 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, phenyl, loweralkylphenyl or halophenyl;
- R.sup.8 represents loweralkyl of 1 to 4 carbon atoms and cycloalkyl of 3 to 6 carbon atoms;
- R.sup.9 represents R.sup.8 and alkoxy, and when taken together with R.sup.8 and the nitrogen from which each depends, a heterocyclic ring of 4 to 8 carbon atoms;
- R.sup.10 represents alkyl and haloalkyl, each of 1 to 7 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 hydrogen, bromo, chloro or fluoro;
- and
- where R.sup.1 is hydrogen, the salts thereof with organic or inorganic bases.
19 more elements
Dependencies are inferred from the claim text.