Aryl sulfonylurea carbamates and thiolcarbamates and salts thereof: herbicidal antidotes

Compounds having the formula ##STR11## in which X is oxygen;

• n is an integer 0 to 3, inclusive;
• R is lower alkyl having 1 to 4 carbon atoms, inclusive, lower alkoxy having 1-4 carbon atoms, inclusive, lower alkylthio having 1 to 4 carbon atoms, inclusive, halogen, trifluoromethyl, nitro, lower alkyl sulfonyl;
• R.sup.4 is hydrogen and lower alkyl having 1 to 4 carbon atoms, inclusive lower alkoxyalkyl having 2 to 6 carbon atoms, inclusive, phenyl and chlorophenyl;
• R.sup.2 is hydrogen, lower alkyl having 1 to 4 carbon atoms, alkoxyalkyl having 2-6 carbon atoms, and phenyl;
• R.sup.1 is lower alkyl having 1 to 4 carbon atoms, inclusive, alkenyl having 3 to 6 carbon atoms, inclusive, alkynyl having 3 to 6 carbon atoms, inclusive, haloalkyl having 1 to 4 carbon atoms, inclusive, alkoxyalkyl having 2 to 6 carbon atoms, inclusive, 1-phenyl propenyl, benzyl, chlorobenzyl, haloalkenyl having 3 to 6 carbon atoms, inclusive, phenyl and alkyl substituted phenyl wherein the alkyl moiety has 1 to 4 carbon atoms, inclusive;
• and
• AR is phenyl, benzyl, naphthyl or styryl;
• and the inorganic base salts sodium, potassium, ammonium and other inorganic salts and organic base salts thereof selected from the group aniline, p-toluidine, benzylamine, allylamine, diallylamine, triallylamine, alkylamine, dialkylamine, trialkylamine, tetraalkyl ammonium, ethylaminoethyl, alkanolamine, dialkanolamine, trialkanolamine, quinoline, isoquinoline, ethylenediamine, benzyltrialkyl ammonium, choline, hydrazine, N,N-dialkyl hydrazine and tribenzylamine.