申请人:Bayer Aktiengesellschaft
公开号:US05886176A1
公开(公告)日:1999-03-23
The invention relates to a novel process for preparing herbicidal sulphonylurea salts of the formula (I) ##STR1## in which M.sup.+ represents an alkali metal ion or an alkaline earth metal ion equivalent, Z represents N, CH or C-halogen, R.sup.1 represents in each case optionally substituted aryl, aralkyl or heteroaryl, (where R.sup.2, X and Y have the meanings given in the description).
本发明涉及一种制备除草磺酰脲盐的新工艺,其化学式为(I) ##STR1## 其中M.sup.+代表一个碱金属离子或碱土金属离子当量,Z代表N,CH或C-卤素,R.sup.1在每种情况下代表可选的取代芳基,芳基烷基或杂环芳基(其中R.sup.2,X和Y的含义如描述中所给出)。