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Synlett 1993; 1993(7): 467-468
DOI: 10.1055/s-1993-22493
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7a-Hydroxy-1,4,5,6,7,7a-hexahydro-2H-inden-2-ones by Ring Enlargement and Subsequent Photooxygenation of 1,2-Dihydropentalenes

Axel G. Griesbeck* , Thomas Deufel
  • *Institut für Organische Chemie, Am Hubland, D-8700 Würzburg, Germany
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Publication History

Publication Date:
19 March 2002 (online)

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1,2-Dihydropentalenes are converted into the title compounds by a four-step synthesis involving highly diastereoselective cyclopropanation and singlet oxygen photooxygenation steps.

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