Selective Synthesis of Fullerenol Derivatives with Terminal Alkyne and Crown Ether Addends
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A series of isomerically pure alkynyl-substituted fullerenol derivatives such as C60(OH)6(O(CH2)3CCH)2 were synthesized through Lewis acid catalyzed epoxy ring opening and/or SN1 replacement reactions starting from the fullerene–mixed peroxide C60(O)(t-BuOO)4. Copper-catalyzed azide–alkyne cycloaddition readily converted the terminal alkynyl groups into triazole groups. Intramolecular oxidative alkyne coupling afforded a fullerenyl crown ether derivative.
创建时间：
2016-02-22
