申请人:Hoffmann-La Roche Inc.
公开号:US04941909A1
公开(公告)日:1990-07-17
The invention is concerned with novel compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the significances given in the description, as well as enol ethers and salts thereof and their manufacture, weed control compositions which contain such compounds as active substances and the use of the active substances or compositions for the control of weeds. The invention is also concerned with certain starting materials which have herbicidal activity and with weed control compositions containing these.
这项发明涉及公式##STR1##中R.sup.1、R.sup.2、R.sup.3、R.sup.4、R.sup.5和R.sup.6具有描述中给定的含义的新化合物,以及烯醇醚和其盐以及其制备方法,包含此类化合物作为活性物质的除草剂组合物以及利用这些活性物质或组合物来控制杂草。该发明还涉及具有除草活性的某些起始材料以及含有这些材料的除草剂组合物。