Synthetic efforts towards the protoilludenes. A formal synthesis of Δ-protoilludene |
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| Authors: | Trond Vidar HansenLars Skattebøl Yngve Stenstrøm |
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| Institution: | a Department of Chemistry and Biotechnology, Agricultural University of Norway, P.O. Box 5040, N-1432 Ås, Norway
b Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, N-0315 Oslo, Norway |
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| Abstract: | An improved route to 5,8,8-trimethylbicyclo4.3.0]-4-nonen-3-one, a key intermediate for the synthesis of the protoilludane skeleton and in particular Δ7-protoilludene, is reported. Attempts on an alternative synthesis of Δ6-protoilludene based on a phenylsulfonyl allene cycloaddition reaction is also presented. |
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| Keywords: | protoilludene cycloaddition allene |
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