A closely-coupled pyrene dimer having unusually intense fluorescence

被引：37

作者：

Benniston, AC ^{[1
]}

Harriman, A ^{[1
]}

Lawrie, DJ ^{[1
]}

Rostron, SA ^{[1
]}

机构：

[1] Newcastle Univ, Sch Nat Sci Chem, Mol Photon Lab, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

来源：

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2004年 / 2004卷 / 10期

关键词：

fluorescence; sensors; pyrene; charge transfer; glaser coupling;

D O I：

10.1002/ejoc.200400028

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A synthetic route is described for the preparation of 1,4-di(1-pyrenyl)butadiyne. The target compound, after purification by extensive column chromatography, has been characterized by NMR and exact-mass spectrometry. This material is highly-fluorescent in solution and, relative to pyrene, strongly absorbing in the near-UV region. Phosphorescence is observed at 77 K and formation of the metastable triplet state has been confirmed by laser flash photolysis. In marked contrast to pyrene, fluorescence from the target compound is not susceptible to self-quenching nor to the presence of dissolved oxygen. The average conformation of the molecule has been established by molecular modeling. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004).

引用

页码：2272 / 2276

页数：5

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