
{"publication_number": "US-7329770-B2", "abstract": "the instant invention relates to the discovery of certain novel herbicidal esters of agriculturally active acids . these esters present agronomical advantages over traditional herbicidal products by presenting multiple herbicidal mechanisms that ensure activity over a broad weed spectrum while limiting the appearance of plant resistance .", "application_number": "US-15685305-A", "description": "the present invention thus relates to novel herbicidal ester compounds . these compounds are composed of one or more herbicidal acid groups esterified onto a range of herbicidal alcohols . examples of novel compounds that present these characteristics and which are considered to be covered by present invention are : where r \u2014 co \u2014 o represents an acetate of one of the following acids : arylalanines such as n - benzoyl - n -( 3 , 4 - dichlorophenyl )- dl - alanine ( benzoylprop ), and n - benzoyl - n -( 3 - chloro - 4 - fluorophenyl )- d - alanine ( flamprop ); aryloxyphenoxypropionic acids such as ( rs )- 2 -[ 4 -( 3 , 5 - dichloro - 2 - pyridyloxy ) phenoxy ] propionic acid ( chlorazifop ), ( r )- 2 -[ 4 -( 5 - chloro - 3 - fluoro - 2 - pyridyloxy ) phenoxy ] propionic acid ( clodinafop ), ( rs )- 2 -[ 4 -( 4 - chlorophenoxy ) phenoxy ] propionic acid ( clofop ), ( r )- 2 -[ 4 -( 4 - cyano - 2 - fluorophenoxy ) phenoxy ] propionic acid ( cyhalofop ), ( rs )- 2 -[ 4 -( 2 , 4 - dichlorophenoxy ) phenoxy ] propionic acid ( diclofop ), ( rs )- 2 -[ 4 -( 6 - chloro - 1 , 3 - benzoxazol - 2 - yloxy ) phenoxy ] propionic acid ( fenoxaprop ), ( r )- 2 -[ 4 -( 6 - chloro - 1 , 3 - benzoxazol - 2 - yloxy ) phenoxy ] propionic acid ( fenoxaprop - p ), ( rs )- 2 -[ 4 -( 5 - trifluoromethyl - 2 - pyridyloxy ) phenoxy ] propionic acid ( fluazifop ), ( r )- 2 -[ 4 -( 5 - trifluoromethyl - 2 - pyridyloxy ) phenoxy ] propionic acid ( fluazifop - p ), ( rs )- 2 -[ 4 -( 3 - chloro - 5 - trifluoromethyl - 2 - pyridyloxy ) phenoxy ] propionic acid ( haloxyfop ), ( rs )- 2 -{ 4 -[ 3 - chloro - 5 -( trifluoromethyl )- 2 - pyridyloxy ] phenoxy 