| abstract |
New phenoxy-phenoxy-propionic acid amides of the formula wherein (R 1 ) n 1 to 2 identical or different radicals from the group, NO 2 , CN and CF 3 , R 2 H or alkyl, R 3 hydroxyalkyl, alkoxyalkyl, dialkylaminoalkyl, cyanoalkyl, alkylthioalkyl, cycloalkyl, methylcyclohexyl, alkenyl, alkynyl , Phenylalkyl, pyridinyl, pyrimidinyl or -NR 2 R 3 represent a hetero ring, for example. 2- [3- (2 ', 4'-Dichlorophenoxy) -6-nitrophenoxy] propionic acid hydroxyethylamide are effective as herbicides. They can be obtained, for example, by amidating the corresponding phenoxy-phenoxy-propionic acid chlorides or alkyl esters. |