First X-Ray Structural Determination of Fullerene [2+2] Cycloadduct

First X-Ray Structural Determination of Fullerene [2+2] Cycloadduct
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首次对富勒烯进行 X 射线结构测定 [2 2] Cycloadduct

DOI:
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发表时间:
1995
期刊:
影响因子:
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通讯作者:
M. Iyoda
M. Iyoda
中科院分区:
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文献类型:
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作者:
T. Ishida;Koji Shinozuka;T. Nogami;S. Sasaki;M. Iyoda

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C60与4,5-二甲氧基苯炔的1:1加合物的X射线晶体学分析显示,在6,6-环结处通过[2+2]环加成反应得到苯并环丁烯结构。富勒烯C(sp3)-C(sp3)键长为1.645(8)A。发现分子间C···C、C···O和C···S距离相对较短,其中硫原子属于封闭的CS2分子。
X-Ray crystallographic analysis of a 1:1 adduct of C60 and 4,5-dimethoxybenzyne exhibited a benzocyclobutene structure given by [2+2] cycloaddition reaction at a 6,6-ring junction. A fullerene C(sp3)-C(sp3) bond length is 1.645(8) A. Relatively short intermolecular C···C, C···O, and C···S distances were found, where sulfur atoms belong to CS2 molecules enclosed.