ChemInform Abstract: 2- and 2,7-Substituted Iodonium/Diiodonium Salts Derived from Xanthene, Xanth-9-one, Fluorene, and Fluoren-9-one.
Abstract
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ChemInform Abstract
2-Substituted iodonium salts (III) and (X) of the four title compounds are easily prepared by acidic coupling of a prior oxidized iodoarene with the appropriate arene. Treatment of xanthene, which is the most activated arene of the title compounds, with an excess of iodoarene ( IV) or the use of diiodoarenes (VI) and (XI) as starting materials provides diiodonium salts (V), (VIII), and (XII).
