Gold/Acid-Cocatalyzed Regiodivergent Preparation of Bridged Ketals via Direct Bis-Oxycyclization of Alkynic Acetonides

Gold/Acid-Cocatalyzed Regiodivergent Preparation of Bridged Ketals via Direct Bis-Oxycyclization of Alkynic Acetonides

The regioselective metal/acid co‐catalyzed direct bis‐oxycyclization of alkynyldioxolanes allows the efficient synthesis of optically pure bi‐ and tricyclic bridged acetal systems.

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Veröffentlicht in:Advanced synthesis & catalysis 2010-05, Vol.352 (8), p.1277-1283
Hauptverfasser: Alcaide, Benito, Almendros, Pedro, Carrascosa, Rocío, Torres, M. Rosario
Format: Artikel
Sprache:eng
Schlagworte:
alkynes
Catalysis
Gold
heterocycles
regioselectivity
Synthesis
synthetic methods
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Beschreibung
Zusammenfassung:The regioselective metal/acid co‐catalyzed direct bis‐oxycyclization of alkynyldioxolanes allows the efficient synthesis of optically pure bi‐ and tricyclic bridged acetal systems.
ISSN:1615-4150
1615-4169
DOI:10.1002/adsc.201000124