The present invention relates to a process for the preparation of iodinated phenols; in particular, it relates to a process including the electrochemical iodination of 3,5-disubstituted phenols of formula (1) to the corresponding 3,5-disubstituted-2,4,6-triiodophenols of formula (2), 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
酚的方法;特别是涉及一种包括将式(1)的3,5-二取代
酚进行电
化学碘化反应,得到相应的式(2)的3,5-二取代-2,4,6-三
碘酚的方法,这些化合物是合成X射线造影剂的有用中间体,并涉及造影剂本身的制备。