申请人:Bracco Imaging S.p.A
公开号:EP2394984A1
公开(公告)日:2011-12-14
The present invention relates to a process for the preparation of iodinated phenols; in particular, it relates to a process including the direct iodination, with suitably activated iodine, of 3,5-disubstituted phenol compounds to the corresponding 3,5-disubstituted-2,4,6-triiodophenols, which are useful intermediates for the synthesis of x-ray contrast media, and to the preparation of the contrast media themselves.
本发明涉及一种制备
碘化
苯酚的工艺;特别是涉及一种工艺,包括用适当活化的
碘将 3,5-二取代
苯酚化合物直接
碘化成相应的 3,5-二取代-2,4,6-三
碘苯酚(这是合成 X 射线造影剂的有用
中间体),以及制备造影剂本身。