Abstract
[reaction: see text] Nucleophilic 1,2-addition of lithiated glycal 9b to functionalized quinone 7 provided, after reductive aromatization, C-arylglycoside 11b. Treatment with mCPBA afforded the tricyclic papulacandin framework. Alternatively, hydroboration gave the chaetiacandin nucleus.
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Aminoglycosides*
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Anti-Bacterial Agents / chemical synthesis*
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Anti-Bacterial Agents / chemistry
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Carbohydrate Conformation
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Carbohydrate Sequence
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Echinocandins
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Glycosides / chemical synthesis*
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Hydroquinones / chemistry*
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Molecular Sequence Data
Substances
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Aminoglycosides
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Anti-Bacterial Agents
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Echinocandins
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Glycosides
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Hydroquinones
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papulacandins
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chaetiacandin