Photoresponsive Host−Guest Systems Based on a New Azobenzene-Containing Crytpand

Photoresponsive Host−Guest Systems Based on a New Azobenzene-Containing Crytpand

A new azobenzene-bridged cryptand was synthesized; it can be well controlled between cis and trans isomers by irradiation with different wavelengths or by being heated. It was found that this cryptand exhibits an ON−OFF binding ability with 2,7-diazapyrenium (DAP) derivatives. It binds DAP derivativ...

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Veröffentlicht in:Organic letters 2010-06, Vol.12 (11), p.2558-2561
Hauptverfasser: Liu, Ming, Yan, Xuzhou, Hu, Menglong, Chen, Xiaopeng, Zhang, Mingming, Zheng, Bo, Hu, Xiaohuan, Shao, Shuang, Huang, Feihe
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container_end_page 2561
container_issue 11
container_start_page 2558
container_title Organic letters
container_volume 12
creator Liu, Ming
Yan, Xuzhou
Hu, Menglong
Chen, Xiaopeng
Zhang, Mingming
Zheng, Bo
Hu, Xiaohuan
Shao, Shuang
Huang, Feihe
description A new azobenzene-bridged cryptand was synthesized; it can be well controlled between cis and trans isomers by irradiation with different wavelengths or by being heated. It was found that this cryptand exhibits an ON−OFF binding ability with 2,7-diazapyrenium (DAP) derivatives. It binds DAP derivatives as the cis isomer only, as demonstrated by various methods. The fluorescence property of DAP derivatives endows these host−guest systems with detectable fluorescent output signals, which makes monitoring these photoresponsive systems convenient.
doi_str_mv 10.1021/ol100770j
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title Photoresponsive Host−Guest Systems Based on a New Azobenzene-Containing Crytpand
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