Monocarborane-stabilized iodonium salts enable regioselective B12-iodination of [CB11H12]⁻
Abstract
A series of highly stable iodonium salts [I(4-RPy)2][CB11H6X6] (R= H, NMe2, OMe, Me, NO2; X= Cl, Br, I) were isolated and characterized. These salts exhibit excellent solid-state stability and serve as efficient electrophilic iodinating reagents, enabling selective iodination at the B12 position of monocarborane anion [CB11H12]-.
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