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Issue 86, 2016
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Surface-assisted diastereoselective Ullmann coupling of bishelicenes

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Abstract

Ullmann coupling of chiral 2-bromo[4]helicene has been performed on a Cu(100) surface. Only homochiral 2,2′-bis[4]helicene as the product is observed using STM. Such stereoselectivity is based on the fact that the surface will favour a configuration with the central part of the molecule on the surface, causing the outer ends to spiral away from the surface.

Graphical abstract: Surface-assisted diastereoselective Ullmann coupling of bishelicenes

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Publication details

The article was received on 15 Jul 2016, accepted on 13 Sep 2016 and first published on 13 Sep 2016


Article type: Communication
DOI: 10.1039/C6CC05849C
Citation: Chem. Commun., 2016,52, 12694-12697
  • Open access: Creative Commons BY license
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    Surface-assisted diastereoselective Ullmann coupling of bishelicenes

    C. Wäckerlin, J. Li, A. Mairena, K. Martin, N. Avarvari and K. Ernst, Chem. Commun., 2016, 52, 12694
    DOI: 10.1039/C6CC05849C

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