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Communication | Special issue | Vol 11, No. 1, 1978, pp.243-246
Published online, 1st January, 1970
DOI: 10.3987/S(N)-1978-01-0243
A Base-catalyzed Rearrangement of Dibenzotropone Oxide

Takahiro Tezuka,* Miyoshi Shinba, and Yasushi Nagai

*Department of Chemistry, University of Tsukuba, 1-1-1 Ten-nodai, Tsukuba-shi, Ibaraki, 305-8571, Japan


Dibenzotropone oxide (1) rearranges to dihydrophenanthrene derivative (4) in reaction catalyzed by a base, while 1 gives methylphenanthrol (6) by thermal reaction. Mechanistic paths of these reactions are discussed.