Abstract
Highly concise and stereospecific routes to cis and trans fusion, carrying various functionality at one of the bridgehead carbons, have been accomplished.
Keywords:
Diels–Alder cycloaddition; angular methylation; cyclobutenone; mechanistic studies.
Publication types
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Research Support, N.I.H., Extramural
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Alkylation
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Cycloaddition Reaction / methods*
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Cyclobutanes / chemistry*
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Drug Industry / methods
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Estrogens / chemical synthesis*
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Methylation
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Models, Molecular
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Norsteroids / chemical synthesis*
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Stereoisomerism*
Substances
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Cyclobutanes
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Estrogens
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Norsteroids
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cyclobutenone