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Issue 11, 2012
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Supramolecular polymers with alternating pillar[5]arene and pillar[6]arene units from a highly selective multiple host–guest complexation system and monofunctionalized pillar[6]arene

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Abstract

A highly selective multiple host–guest complexation system based on pillar[5]arene and pillar[6]arene is reported. A pyridinium cation moiety is included in the pillar[5]arene cavity, but hardly forms a stable host–guest complex with pillar[6]arene. A 1,4-diazabicyclo[2.2.2]octane cation moiety forms a host–guest complex with pillar[6]arene, but not with pillar[5]arene. A synthetic route to mono-reactive pillar[6]arene is also developed, enabling the synthesis of pillar[6]arene with a pyridinium cation group at a single position. Based on the highly selective multiple host–guest complexation system and mono-reactive pillar[6]arene, a supramolecular polymer with alternating pillar[5]arene and pillar[6]arene units is constructed.

Graphical abstract: Supramolecular polymers with alternating pillar[5]arene and pillar[6]arene units from a highly selective multiple host–guest complexation system and monofunctionalized pillar[6]arene

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Supplementary files

Article information


Submitted
17 Jul 2012
Accepted
30 Jul 2012
First published
31 Jul 2012

Chem. Sci., 2012,3, 3221-3226
Article type
Edge Article

Supramolecular polymers with alternating pillar[5]arene and pillar[6]arene units from a highly selective multiple host–guest complexation system and monofunctionalized pillar[6]arene

T. Ogoshi, H. Kayama, D. Yamafuji, T. Aoki and T. Yamagishi, Chem. Sci., 2012, 3, 3221
DOI: 10.1039/C2SC20982A

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