Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
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Reaction of 2a,8b-Dihydrobenzo[b]cyclobute[d]pyran-3-ones with Dimethylsulfoxonium Methylide
Toru TanakaMasaki NagahamaNavnath Dnyanoba YadavHiroki IwasakiMinoru OzekiNaoto KojimaMasayuki Yamashita
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2016 Volume 64 Issue 7 Pages 1056-1061

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Abstract

Using dimethylsulfoxonium methylide as the methylene transfer reagent, 2a,8b-dihydrobenzo[b]cyclobute[d]pyran-3-ones were converted into 2,2′-biphenol derivatives as major products and dihydrodibenzofurans as minor products. The reaction mechanism was extrapolated from a deuteration experiment with CD2=S(O)(CD3)2.

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© 2016 The Pharmaceutical Society of Japan
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