Asymmetric synthetic approach to a functionalized azabicyclo[3.3.1]nonane moiety of (+)-sarain A (cas 133056-38-9)
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Add time:09/02/2019 Source:sciencedirect.com
This paper describes our efforts toward the asymmetric synthesis of sarain A which led to efficient preparation of a functionalized azabicyclo[3.3.1]nonane moiety. The key to the synthesis relied on a base-catalyzed asymmetric Diels-Alder cycloaddition to establish multiple stereocenters of a highly substituted cyclohexenone unit and a facile intramolecular aza-Michael addition to form the desired bicyclic system.
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