Cooperative C60 binding to a porphyrin tetramer arranged around a p-terphenyl axis in 1:2 host-guest stoichiometry

被引：92

作者：

Kubo, Y ^{[1
]}

Sugasaki, A ^{[1
]}

Ikeda, M ^{[1
]}

Sugiyasu, K ^{[1
]}

Sonoda, K ^{[1
]}

Ikeda, A ^{[1
]}

Takeuchi, M ^{[1
]}

Shinkai, S ^{[1
]}

机构：

[1] Kyushu Univ, Grad Sch Engn, Dept Chem & Biochem, Fukuoka 8128581, Japan

来源：

ORGANIC LETTERS | 2002年 / 4卷 / 06期

关键词：

D O I：

10.1021/ol017299q

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

[GRAPHICS] Porphyrin tetramer 1 was newly designed and synthesized to construct a novel cooperative [60]fullerene (C-60) binding system. Compound 1 has a p-terphenyl axis, which is expected to act as a scaffold for a guest-binding information transducer. In toluene, 1 can bind 2 equiv of C-60 to produce a 1:2 1/C-60 complex with association constants of 5800 M-1 (K-1) and 2000 M-1 (K-2). These values are significantly greater than those for control porphyrin dimers such as 2 and 3.

引用

页码：925 / 928

页数：4

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