Photochemistry Opened up by [2.2]Paracyclophane

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Bibliographic Information

Other Title
  • [2.2]パラシクロファンが拓く光化学
  • [2.2]パラシクロフアンが拓く光化学
  • [2.2]パラシクロフアン ガ ヒラク コウカガク
Published
2025-04-28
Resource Type
journal article
DOI
  • 10.60391/koukagaku.56.1_2
Publisher
The Japanese Photochemistry Association

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Description

<p>Since the first synthesis of [2.2]paracyclophanes in 1949, a wide variety of the derivatives have been synthesized, and their physical properties have been extensively investigated. However, there have not been many cases in which [2.2]paracyclophanes have been applied beyond the field of organic chemistry and organometallic chemistry. In the first half of this paper, the through-space conjugation and photoluminescence properties of π-stacked molecules (polymers and oligomers) consisting of [2.2]paracyclophane as a key unit are introduced. One of the characteristics of the [2.2]paracyclophane skeleton is planar chirality without chiral center(s). Due to the suppressed rotational motion of benzene rings in [2.2]paracyclophane, it exhibits planar chirality depending on the substitution position(s). In the latter half, circularly polarized luminescence (CPL) profiles of some optically active π-stacked molecules based on the planar chiral [2.2]paracyclophane moiety are introduced.</p>

Journal

  • photochemistry

    photochemistry 56 (1), 2-7, 2025-04-28

    The Japanese Photochemistry Association

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