Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Photochemistry of 4-Aryl-4-Methyl-2-Cyclohexenone: Solvent Effect on the Excited States

  • Chae Woo Ki (Department of Chemistry Education, Seoul National University) ;
  • Eun Ju Kwon (Department of Chemistry Education, Seoul National University) ;
  • Jung-Hyu Shin (Department of Chemistry, Seoul National University)
  • Published : 1993.08.20
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Abstract

Irradiation of 4-biphenylyl-4-methyl-2-cyclohexenone (5) in benzene or methanol produced trans-6-biphenylyl-5-methylbicyclo[3,1,0]hexan-2-o ne (5a) and 3-biphenylyl-4-methylcyclohex-2-enone (5b). Electronic configurations of the excited states for 5a and 5b were assigned as n, ${\pi}^*$ and ${\pi}$, ${\pi}^*$ triplet states respectively. Irradiation of 4-methyl-4(${\beta}$-naphthyl)-2-cyclohexenone in benzene or methanol gave 4-methyl-3-(${\beta}$ -naphthyl)-2-cyclohexenone (6a), which is thought to arise from ${\pi}$, ${\pi}^*$ triplet state.

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References

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Cited by

  1. ChemInform Abstract: Photochemistry of 4-Aryl-4-methyl-2-cyclohexenone: Solvent Effect on the Excited States. vol.25, pp.13, 1993, https://doi.org/10.1002/chin.199413085