Unexpected Formation of a Sc3C2@C80 Bisfulleroid Derivative

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• 作者：Hiroki Kurihara ; Yuto Iiduka ; Yves Rubin ; Markus Waelchli ; Naomi Mizorogi ; Zdenek Slanina ; Takahiro Tsuchiya ; Shigeru Nagase ; Takeshi Akasaka
• 刊名：The Journal of the American Chemical Society
• 出版年：2012
• 出版时间：March 7, 2012
• 年：2012
• 卷：134
• 期：9
• 页码：4092-4095
• 全文大小：264K
• 年卷期：v.134,no.9(March 7, 2012)
• ISSN：1520-5126

文摘

The reaction of tetrazine 1 with Sc₃C₂@C₈₀ exclusively affords the open-cage derivative 2 instead of the expected C₂-inserted derivative 3 bearing a four-membered ring, as previously obtained for C₆₀. The structure of 2 has been firmly established by NMR spectroscopy and theoretical calculations. EPR spectroscopy shows that a single Sc atom of the Sc₃C₂ cluster gets located within the bulge created by the bridging addend, which is a first step toward release of the internal metal atoms.