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Abstract
Zirconium-based frustrated Lewis pairs (FLPs) are active imine hydrogenation catalysts under mild conditions. Complexes of the type [CpR 2ZrOMes][B(C6F5)4] utilize the imine substrate itself as the Lewis base component of the FLP. Catalyst performance is a function of ligand structure; in general more bulky, more electron rich cyclopentadienyl derivatives give the best results. However, Cp∗ derivatives are not catalytically active, being stable after initial heterolytic cleavage of H2; this allows experimental verification of the competence of the zirconocene-imine pair in FLP-type heterolytic H2 cleavage. Enamines and protected nitriles are also hydrogenated if an additional internal phosphine base is used.
Original language | English |
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Pages (from-to) | 847-850 |
Number of pages | 4 |
Journal | Organometallics |
Volume | 35 |
Issue number | 6 |
Early online date | 8 Mar 2016 |
DOIs | |
Publication status | Published - 28 Mar 2016 |
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Dive into the research topics of 'Zirconium-Catalyzed Imine Hydrogenation via a Frustrated Lewis Pair Mechanism'. Together they form a unique fingerprint.Projects
- 1 Finished
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3-month Core Capability for Chemistry Research
Crosby, J. (Principal Investigator)
1/01/13 → 1/04/13
Project: Research