申请人:Bayer Aktiengesellschaft
公开号:US05559253A1
公开(公告)日:1996-09-24
According to the invention, a new process for the preparation of fluorine-substituted aminobenzodioxoles and -benzodioxanes of the formula (I) ##STR1## in which n represents an integer 1 or 2, has been found, in which fluorine-substituted nitro-halogeno-benzodioxoles and -benzodioxanes, which are likewise new, are hydrogenated. The novel intermediates are obtained from fluorine-substituted benzodioxoles and benzodioxanes by halogenation and subsequent nitration. The amino compounds are important starting materials for highly active biocides.
根据本发明,发现了一种制备氟代氨基苯并二恶烷和苯并二恶氧烷的新工艺,其化学式为(I)##STR1## 其中n代表整数1或2,该工艺是通过氟代硝基卤代苯并二恶烷和苯并二恶氧烷(同样是新的)的加氢反应得到的。这些新的中间体是通过氟代苯并二恶烷和苯并二恶氧烷的卤代反应和随后的硝化反应制备得到的。这些氨基化合物是高活性生物杀菌剂的重要起始材料。