This work was partly supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology, Japan. I.H. and S.H. acknowledge the Research Fellowships of the JSPS for Young Scientists. The work at Yonsei University was supported by BK21 and the Star Faculty Programs from the Ministry of Education and Human Resources Development.
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Communication
Synthesis of Doubly β-to-β 1,3-Butadiyne-Bridged Diporphyrins: Enforced Planar Structures and Large Two-Photon Absorption Cross Sections†
Article first published online: 5 JUN 2007
DOI: 10.1002/anie.200700550
Copyright © 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Additional Information
How to Cite
Hisaki, I., Hiroto, S., Kim, K., Noh, S., Kim, D., Shinokubo, H. and Osuka, A. (2007), Synthesis of Doubly β-to-β 1,3-Butadiyne-Bridged Diporphyrins: Enforced Planar Structures and Large Two-Photon Absorption Cross Sections. Angew. Chem. Int. Ed., 46: 5125–5128. doi: 10.1002/anie.200700550
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Publication History
- Issue published online: 22 JUN 2007
- Article first published online: 5 JUN 2007
- Manuscript Revised: 23 MAR 2007
- Manuscript Received: 7 FEB 2007
Funded by
- Ministry of Education, Culture, Sports, Science, and Technology, Japan
- BK21
- Star Faculty Programs from the Ministry of Education and Human Resources Development
Keywords:
- conjugation;
- fluorescence;
- nonlinear optics;
- porphyrinoids;
- two-photon absorption
Plane and simple! Doubly β-to-β 1,3-butadiyne-bridged diporphyrins have been synthesized efficiently through metal-catalyzed reactions. The double bridges enforce the two porphyrins in a perfectly planar conformation (see picture), which leads to almost a 100 % increase in the two-photon absorption cross section.