Unique solvent effect on photochemistry of ortho-alkylphenacyl benzoates

Bong Ser Park, Hyuk Jun Ryu

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Photolysis of 2,4,6-trialkylphenacyl benzoates gives not only the corresponding indanones and benzoic acid, but also the corresponding benzocyclobutenols (CBs), which are also detected in the photolysis of mono-alkylphenacyl benzoates for the first time. The product selectivity was heavily dependent upon solvents and o-alkyl group. H-bonding acceptor solvents strongly favor the formation of the CB. As the size of the o-alkyl group increases, the relative amount of the CB increases.

Original languageEnglish
Pages (from-to)1512-1516
Number of pages5
JournalTetrahedron Letters
Volume51
Issue number11
DOIs
StatePublished - 17 Mar 2010

Keywords

  • Benzocyclobutenol
  • Hydrogen abstraction
  • Photochemistry
  • Solvent effect

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