Propionic acid oximes of the general formula ##STR1## wherein R.sub.1 is hydrogen, alkyl of from 1 to 6 carbon atoms or cycloalkyl of from 3 to 6 carbon atoms, R.sub.2 is hydrogen, alkyl of from 1 to 6 carbon atoms, alkenyl of from 2 to 6 carbon atoms or alkynyl of from 2 to 6 carbon atoms, or R.sub.1 and R.sub.2 together with the carbon atom to which they are attached form a cyclopentane or cyclohexane ring which can be mono-, di- or trisubstituted with alkyl of from 1 to 3 carbon atoms, R.sub.3 is hydrogen, halogen or nitro with the proviso that R.sub.1 and R.sub.2 are not simultaneously hydrogen, processes for their manufacture, herbicidal compositions containing these compounds as the active ingredient and methods of use of the herbicidal compositions are disclosed.
本发明涉及一般式为##STR1##的
丙酸肟化合物,其中R.sub.1为氢、1至6个碳原子的烷基或3至6个碳原子的环烷基,R.sub.2为氢、1至6个碳原子的烷基、2至6个碳原子的烯基或2至6个碳原子的炔基,或者R.sub.1和R.sub.2与它们所连接的碳原子一起形成一个
环戊烷或
环己烷环,该环可以是单取代、双取代或三取代,取代基为1至3个碳原子的烷基,R.sub.3为氢、卤素或硝基,但R.sub.1和R.sub.2不能同时为氢。本发明还涉及制备这些化合物的方法、包含这些化合物作为活性成分的
除草剂组合物以及使用该
除草剂组合物的方法。