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Modular Synthesis, Orthogonal Post-Functionalization, Absorption, and Chiroptical Properties of Cationic [6]Helicenes

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Published in Angewandte Chemie: International Edition. 2013, vol. 52, no. 6, p. 1796-1800
Abstract Pick and choose: Novel cationic diaza-, azaoxo-, and dioxo[6]helicenes are readily prepared and functionalized selectively by orthogonal aromatic electrophilic and vicarious nucleophilic substitutions (see scheme). Reductions, cross-coupling, or condensation reactions introduce additional diversity and allow tuning of the absorption properties up to the near-infrared region. The diaza salts can be resolved into single enantiomers.
Keywords ArenesHelical structuresSynthetic methodsUV/Vis spectroscopyVicarious nucleophilic substitution
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Other version: http://doi.wiley.com/10.1002/anie.201208926
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TORRICELLI, Franck et al. Modular Synthesis, Orthogonal Post-Functionalization, Absorption, and Chiroptical Properties of Cationic [6]Helicenes. In: Angewandte Chemie: International Edition, 2013, vol. 52, n° 6, p. 1796-1800. https://archive-ouverte.unige.ch/unige:26214

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Deposited on : 2013-02-05

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