AI Article Synopsis
- The 9-borataphenanthrene anion can be created easily by removing a proton from its precursor, 9,10-dihydro-9-boraphenanthrene, and shows various chemical reactions.
- One key reaction involves adding alkyl groups to a specific carbon near the boron, while it can also react at room temperature across a boron-carbon double bond.
- The structure of the anion interacts differently with metals like chromium and gold, showcasing its usefulness as a ligand, and its reactivity and stability are supported by computational models and chemical shift measurements.
Article Abstract
The 9-borataphenanthrene anion is easily accessed by deprotonation of a 9,10-dihydro-9-boraphenanthrene and its diverse reactivity is investigated. Alkylation occurs at the carbon atom adjacent to boron, and room temperature hydroboration occurs across the B=C bond. The π-manifold of the central BC ring coordinates to chromium in an η fashion while only the B=C unit binds η to gold, indicating versatility of the 9-borataphenanthrene anion as a ligand. Supporting calculations rationalize the reactivity and aromaticity is corroborated by nucleus-independent chemical shift (NICS) indices.
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| http://dx.doi.org/10.1002/anie.202002125 | DOI Listing |
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