申请人:The Upjohn Company
公开号:US03957480A1
公开(公告)日:1976-05-18
Compounds of the formula: ##SPC1## Wherein R.sub.1 and R.sub.2 are the same or different and are hydrogen, alkyl of from 1 to 6 carbon atoms, inclusive, or phenyl; R.sub.3 is hydrogen, alkyl of from 1 to 8 carbon atoms, inclusive, phenyl, or benzyl; R.sub.4 is hydrogen or alkyl of from 1 to 6 carbon atoms, inclusive, and R.sub.3 and R.sub.4 can be joined together to form a heterocyclic ring selected from the group consisting of morpholine, pyrrolidine or piperidine; X is oxygen or sulfur; A and B are the same or different, and are hydrogen, alkyl of from 1 to 6 carbon atoms inclusive, cycloalkyl of from 3 to 7 carbon atoms, inclusive, haloalkyl, and halogen; Z is an alkyl group of from 1 to 6 carbon atoms, inclusive, or a cycloalkyl group of from 3 to 7 carbon atoms provided that when A and B are halogen, Z is located at the 4 or 5 positions. Methods for preparing the compounds, and agricultural compositions comprising the compounds with carriers for use as herbicides by application to foliage, soil or ponds for the control of unwanted vegetation are disclosed.
该公式化合物如下:##SPC1##其中R.sub.1和R.sub.2相同或不同,可以是氢、1至6个碳原子的烷基(包括在内)或苯基;R.sub.3是氢、1至8个碳原子的烷基(包括在内)、苯基或苄基;R.sub.4是氢或1至6个碳原子的烷基(包括在内),R.sub.3和R.sub.4可以结合形成吗啡啉、吡咯烷或哌啶等杂环环;X是氧或硫;A和B相同或不同,可以是氢、1至6个碳原子的烷基(包括在内)、3至7个碳原子的环烷基(包括在内)、卤代烷基和卤素;Z是1至6个碳原子的烷基(包括在内)或3至7个碳原子的环烷基,当A和B为卤素时,Z位于4或5位置。公开了制备该化合物的方法,以及含有携带剂的农业组合物,用于作为除草剂通过涂抹到叶片、土壤或池塘来控制不受欢迎的植被。