1-(2-Carboxyaryl)-3-aryl-1,2,4-triazoles and use as herbicides
AssigneeE. I. Du Pont de Nemours and Company
InventorAlexander Lawrence Johnson
Life of this patent
Estimating the term…
Abstract
Selected 1-(2-carboxyaryl)-4-arylimidazoles and 1-(2-carboxyaryl)-3-aryl-1,2,4-triazoles are useful in making buffer solutions; as picrate dyes; and as plant growth regulators. Exemplary are 1-(2-carboxyphenyl)-4-phenyl-imidazole and 1-(2-carboxyphenyl)-3-phenyl-1,2,4-triazole.
Claims24
A compound of the formula ##STR23## in which Ar is phenyl, naphthyl, biphenylyl, pyridyl, furyl, thienyl or phenyl substituted with up to two of fluorine, chlorine, bromine, iodine, alkyl of 1-5 carbons, methoxyl, trifluoromethyl, nitro, methylthio, trifluoromethoxyl, dimethylamino, cyano, acetyl, methylsulfonyl, carbamoyl or sulfamyl;
- R is hydrogen, fluorine, chlorine, bromine, iodine, methoxyl, trifluoromethyl, nitro, methylthio, trifluoromethoxyl or alkyl of 1-5 carbon atoms;
- p is 0 or 1;
- y is 1 or 2;
- A is an acid;
- M is hydrogen, sodium, potassium, lithium, calcium or magnesium;
- with the proviso that when M is other than hydrogen, p is 0.
Dependencies are inferred from the claim text.