O-Aryl N-phosphonomethylglycinonitriles and the herbicidal use thereof
AssigneeMonsanto Company
InventorGerard A. Dutra
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Abstract
O-aryl N-phosphonomethylglycinonitriles are described as well as a process for producing same. These phosphonomethyl substituted glycinonitriles are useful as herbicides.
Claims57
A compound of the formula ##STR8## wherein Aryl is selected from phenyl, naphthyl or biphenylyl, each X is a substituent on said Aryl selected from halogen, alkyl of 1 to 4 carbons, alkoxy and alkylthio of 1 to 3 carbons, alkoxycarbonyl of 2 to 3 carbon atoms, methylenedioxy, cyano, trifluoromethyl or nitro, Z is oxygen or sulfur, a is an integer from zero to 3, b is an integer from zero to 1, R is a strong acid capable of forming a salt with the amino group, and x is zero or 1, provided that x must be zero when b is 1.
Dependencies are inferred from the claim text.