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Journal Article

Enantioselective Synthesis of [6]Carbohelicenes

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Farès, Christophe
Department of NMR Based Structural Biology, MPI for biophysical chemistry, Max Planck Society;

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Lehmann, Christian W.
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Gonzalez-Fernandez, E., Nicholls, L. D. M., Schaaf, L. D., Farès, C., Lehmann, C. W., & Alcarazo, M. (2017). Enantioselective Synthesis of [6]Carbohelicenes. Journal of the American Chemical Society, 139(4), 1428-1431. doi:10.1021/jacs.6b12443.

Abstract

The use of α-cationic phosphonites derived from TADDOL as ancillary ligands has allowed a highly regio- and enantioselective synthesis of substituted [6]- carbohelicenes by sequential Au-catalyzed intramolecular hydroarylation of diynes. Key for these results is the modular structure of these new ligands, and the enhanced reactivity that they impart to Au(I)-centers after coordination.