Herbicides
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United States of America Patent
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Dec 26, 1989
Grant Date -
N/A
app pub date -
May 15, 1987
filing date -
May 17, 1986
priority date (Note) -
Expired
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Abstract
Herbicidal triazole sulphonamides of the formula: ##STR1## and salts thereof, where: R.sup.1 represents hydrogen or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl, acyl, alkoxycarbonyl, aminocarbonyl, sulphonyl or heterocyclic group; R.sup.2 represents hydrogen, halo, cyano, hydroxy, mercapto, a substituted or unsubstituted alkyl, alkenyl, alkynyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, acyl, alkoxycarbonyl, aminocarbonyl, aryl or amino group, or a heterocyclic group; R.sup.3 represents a substituted or unsubstituted heterocyclic, benzheterocyclic, aryl or aralkyl group; and R.sup.4 represents hydrogen, a substituted or unsubstituted alkyl, alkenyl, alkynyl, acyl, aroyl, alkylsulphonyl, alkoxycarbonyl, aminocarbonyl, aralkyl, or a group of the formula: ##STR2## where R.sup.1 and R.sup.2 are as defined hereinbefore, processes for their preparation and compositions containing them.
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