Synthesis and photochromic properties of phenanthropyran derivative substituted with styryl group

  • Kim N
  • Yi K
  • Yoo S
 et al. 
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The synthesis and the photochromic properties of new phenanthropyran derivative containing styryl substituent are described. The compound 8 showed two-step two-photon photochromism to produce a thermally stable cyclopentaannulated compound 10 through a thermally unstable open keto form intermediate 9. © 2004 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Cyclopentaannulated compound
  • Phenanthropyran
  • Photochromism
  • Styryl substituent

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  • Nakjeong Kim

  • Kyu Yang Yi

  • Sung Eun Yoo

  • Guncheol Kim

  • Seung Ki Park

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