A Phosphorus/Aluminum-Based Frustrated Lewis Pair as an Ion Pair Receptor: Alkali Metal Hydride Adducts and Phase-Transfer Catalysis

Helpful frustration: The geminal phosphorus/aluminum‐based frustrated Lewis pair (Mes2P)(tBu2Al)CC(H)Ph (Mes=2,4,6‐Me3C6H2) forms stable adducts with alkali metal hydrides (LiH, NaH, KH). These molecular hydride complexes display enhanced reactivity, which was demonstrated by the catalytic transfor...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2012-06, Vol.51 (24), p.5911-5914
Main Authors: Appelt, Christian, Slootweg, J. Chris, Lammertsma, Koop, Uhl, Werner
Format: Article
Language:English
Subjects:
Adducts
Alkali metals
Aluminum
Catalysis
density functional calculations
frustrated Lewis pairs
Frustration
Hydrides
Ion pairs
Phosphorus
silanes
Transformations
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Summary:Helpful frustration: The geminal phosphorus/aluminum‐based frustrated Lewis pair (Mes2P)(tBu2Al)CC(H)Ph (Mes=2,4,6‐Me3C6H2) forms stable adducts with alkali metal hydrides (LiH, NaH, KH). These molecular hydride complexes display enhanced reactivity, which was demonstrated by the catalytic transformation of chlorotriphenylsilane to the corresponding hydride through a frontside SN2‐f@Si pathway.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201201855