Synthesis, structure, and [60]fullerene complexation properties of azacalix[m]arene[n]pyridines

被引:254
作者
Wang, MX [1 ]
Zhang, XH [1 ]
Zheng, QY [1 ]
机构
[1] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Biol Chem Lab, Beijing 100080, Peoples R China
关键词
calixarenes; fullerenes; host-guest systems; supramolecular chemistry;
D O I
10.1002/anie.200351975
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Remarkably stable C60 and C70 complexes with stability constants Ks of 70 680 ± 2060 and 136 620 ± 3770 M-1, respectively, are formed by azacalix[4]arene[4]pyridine 1. The smaller-ring-homologue azacalix[2]arene[2]pyridine and compound 1 were readily synthesized, and they adopt a heavily twisted 1,3-alternate and a 1,2,3-partial cone conformation, respectively, in the solid state (see picture).
引用
收藏
页码:838 / 842
页数:5
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