The Pd-catalyzed Alder-ene reactions of N-protected and propargylated 1-amino-2-aryl-2-cyclohexenes as a new route to C3a-arylhexahydroindoles: towards the total synthesis of tazettine
Date
2010
Authors
Lehmann, Anna
Willis, Anthony
Banwell, Martin
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Volume Title
Publisher
CSIRO Publishing
Abstract
A series of N-protected and propargylated 1-amino-2-aryl-2-cyclohexenes (4) has been prepared. Several of these have been shown to undergo an intramolecular Alder-ene reaction in the presence of palladium acetate and the ligand BBEDA to afford C3a-arylhexahydroindoles of the general form 1. Certain of these products may serve as precursors to the alkaloid tazettine (2).
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Keywords
Keywords: Alder-ene reaction; Cyclohexenes; Intramolecular alder-ene reaction; Palladium acetate; Total synthesis; Organometallics; Synthesis (chemical); Palladium
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Source
Australian Journal of Chemistry
Type
Journal article
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2037-12-31
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