Synthesis of doubly β-to-β 1,3-butadiyne-bridged diporphyrins: Enforced planar structures and large two-photon absorption cross sections

Ichiro Hisaki, Satoru Hiroto, Kil Suk Kim, Su Bum Noh, Dongho Kim, Hiroshi Shinokubo, Atsuhiro Osuka

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(Figure Presented) 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.

Original languageEnglish
Pages (from-to)5125-5128
Number of pages4
JournalAngewandte Chemie - International Edition
Issue number27
Publication statusPublished - 2007 Jul 17


All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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