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Total synthesis of (-)-anominine
Ben Bradshaw1, Gorka Etxebarria-Jardí, Josep Bonjoch
1Laboratori de Química Orgànica, Facultat de Farmàcia, Universitat de Barcelona, Av. Joan XXIII s/n, 08028 Barcelona, Spain. benbradshaw@ub.edu
Abstract:
The first total synthesis of anominine has been achieved, and the absolute configuration of the product has been determined. The key features include the development of a new, highly efficient organocatalyzed method for the asymmetric synthesis of Wieland-Miescher ketone building blocks, an unusual selenoxide [2,3]-sigmatropic rearrangement, and a ZrCl(4)-catalyzed indole coupling as well as several chemoselective transformations controlled by the structurally congested nature of the bicyclic core.
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