4.7 Article

Iridium-Catalyzed Borylation of Pyrene: Irreversibility and the Influence of Ligand on Selectivity

Journal

JOURNAL OF ORGANIC CHEMISTRY
Volume 80, Issue 1, Pages 661-665

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jo5024014

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Funding

  1. Alexander von Humboldt Foundation (AvH)
  2. Bavarian State Ministry of Science, Research, and the Arts for the Collaborative Research Network Solar Technologies go Hybrid

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The iridium-catalyzed borylation of pyrene, using 4,4'-dimethyl-2,2'-bipyridine as the ligand, in the presence of t-BuOK, gave a mixture of 2,4,7,9-tetrakis(Bpin)pyrene (c4) and its 2,4,7,10-isomer (m4) in a 2.2:1 ratio, and the selectivity of the Ir-catalyzed borylation of pyrene is kinetically determined and can be influenced to some extent by the nature of the ligand.

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