A diels-alder approach to trans-fused, a
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Steven D. Burke; Tory H. Powner; Masanori Kageyama
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Article
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1983
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Elsevier Science
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French
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The title structures can be prepared by Diels-Alder cycloqddition of activated acetylenic or olefinic dienophiles tethered to a proximally-methylated butadiene unit. The trans-fused decalin system bearing a single angular methyl group is a ubiquitous structural subunit in terpenoid and steroid natu