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Linear arrays of interlocking calixarenes in controlling the interplay of fullerene C-60 molecules

机译:互锁杯芳烃的线性阵列在控制富勒烯C-60分子相互作用中的作用

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摘要

p-Benzylcalix[6]arene, 1, and C-60 form a fullerene rich inclusion complex in toluene, (C-60)(3)(p-benzylcalix[6]arene)(toluene)(4.25), 2, which has been structurally authenticated. The fullerene and toluene molecules shroud linear arrays of the calixarenes, which are dethreaded in the presence of methylene chloride to form an all carbon hcp polymorph of fullerene C-60. The ease of dethreading relates to the mode of association of p-benzylcalix[6]arene within the molecular crystal consisting of interlocked calixarenes in linear arrays. Similar association has also been seen in the solid-state structure of p-benzylcalix[6]arene, 1, where one calixarene is associated with another through two modes, a frontal host-guest association involving inclusion of the pendent benzyl arms and back-to-back stacking arrangement.
机译:对苄基杯[6]芳烃1和C-60在甲苯中形成富勒烯富集的包合物,(C-60)(3)(对苄基杯[6]芳烃)(甲苯)(4.25)2,已通过结构验证。富勒烯和甲苯分子覆盖了杯芳烃的线性阵列,其在二氯甲烷的存在下脱线以形成富勒烯C-60的全碳六氯苯酚多晶型物。脱线的容易性涉及由线性阵列中互锁的杯芳烃组成的分子晶体中对苄基杯[6]芳烃的缔合方式。在对苄基杯[6]芳烃的固态结构中也观察到了类似的缔合,其中一个杯芳烃通过两种模式与另一种缔合,额叶主客体缔合涉及侧基苄基臂和反式苄基的引入。背对背的堆叠方式。

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