| 摘要 |
The invention provides a process for the preparation of a 2,4,6-triiodinated or 2,4,6,2',4',6'-hexaiodinated 3,5-disubstituted-aniline or 3,3'-disubstituted-5,5'-linked bisaniline, which process comprises electrochemically iodinating a 3,5-disubstituted-aniline or a 3,3'-disubstituted-5,5'-linked bisaniline in an acidic solvent which comprises water and optionally at least one water-miscible organic solvent.
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