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Synthesis, Structure, and Reactivity of Carbene-Stabilized Phosphorus(III)-Centered Trications [L3P]3+

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Petuškova,  Jekaterina
Research Group Alcarazo, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Patil,  Mahendra
Research Department Thiel, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Holle,  Sigrid
Research Group Alcarazo, Max-Planck-Institut für Kohlenforschung, 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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Thiel,  Walter
Research Department Thiel, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Alcarazo,  Manuel
Research Group Alcarazo, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Petuškova, J., Patil, M., Holle, S., Lehmann, C. W., Thiel, W., & Alcarazo, M. (2011). Synthesis, Structure, and Reactivity of Carbene-Stabilized Phosphorus(III)-Centered Trications [L3P]3+. Journal of the American Chemical Society, 133(51), 20758-20760. doi:10.1021/ja210223s.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-8CDD-5
Abstract
Carbene-stabilized [L3P]3+ cations have been synthesized for the first time by a reaction between 1-chloro-2,3-bis(dialkylamino)cyclopropenium salts and P(SiMe3)3. In addition, the first structural characterization of such an entity is reported. Consistent with the X-ray data, density functional calculations indicate that these P-centered cations, despite their high positive charge, still feature a nonbonding electron pair on the P-atom (HOMO) and a very low-lying LUMO depicting them as poor σ-donors and excellent π-acceptors.