Aryloxyphenoxy proponyl isothioureas and use as herbicides
AssigneeStauffer Chemical Company
InventorFerenc M. Pallos
Life of this patent
Estimating the term…
Abstract
Substituted aryloxyphenoxy acylisothioureas useful as herbicides having the formula ##STR1## wherein R is CF.sub.3 or halogen; X is hydrogen or halogen; A is CH or nitrogen; R.sub.1 is hydrogen, lower alkyl, alkenyl, alkynyl, phenyl, cyanoalkyl, alkoxyalkyl, or alkoxycarbonylalkyl; R.sub.2 is hydrogen, lower alkyl, phenyl, or substituted phenyl; and R.sub.3 is acyl or halogen substituted acyl selected from the group consisting of propionyl, dichloro bromoacetyl, propionaminocarbonyl and phenylaminocarbonyl.
Claims15
As new compounds, acyl isothiourea substituted aryloxyphenoxy propionic acids having the formula ##STR4## wherein R is CF.sub.3 or halogen;
- X is hydrogen or halogen;
- A is CH or nitrogen;
- R.sub.1 is hydrogen, lower alkyl, alkenyl, alkynyl, phenyl, cyanoalkyl, alkoxyalkyl, or alkoxycarbonylalkyl;
- R.sub.2 is hydrogen, lower alkyl, phenyl, or substituted phenyl;
- and
- R.sub.3 is acyl or halogen substituted acyl selected from the group consisting of propionyl, dichloro bromoacetyl, propionaminocarbonyl and phenylaminocarbonyl.
A herbicidal composition which comprises a herbicidally effective amount of a compound having the formula ##STR5## wherein R is CF.sub.3 or halogen;
- X is hydrogen or halogen;
- A is CH or nitrogen;
- R.sub.1 is hydrogen, lower alkyl, alkenyl, alkynyl, phenyl, cyanoalkyl, alkoxyalkyl, or alkoxycarbonylalkyl;
- R.sub.2 is hydrogen, lower alkyl, phenyl, or substituted phenyl;
- and
- R.sub.3 is acyl or halogen substituted acyl selected from the group consisting of propionyl, dichloro bromoacetyl, propionaminocarbonyl and phenylaminocarbonyl;
- and an inert diluent carrier.
A method for controlling undesirable weed pests which comprises applying to the locus wherein control is desired a herbicidally effective amount of a compound having the formula ##STR6## wherein R is CF.sub.3 or halogen;
- X is hydrogen or halogen;
- A is CH or nitrogen;
- R.sub.1 is hydrogen, lower alkyl, alkenyl, alkynyl, phenyl, cyanoalkyl, alkoxyalkyl, or alkoxycarbonylalkyl;
- R.sub.2 is hydrogen, lower alkyl, phenyl, or substituted phenyl;
- and
- R.sub.3 is acyl or halogen substituted acyl selected from the group consisting of propionyl, dichloro bromoacetyl, propionaminocarbonyl and phenylaminocarbonyl.
Dependencies are inferred from the claim text.