Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 33, Pages 10651-10655Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201806168
Keywords
aluminum; bimetallic synergy; homogeneous catalysis; hydroboration; lithium
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Funding
- EPSRC (DTP award) [EP/M508159/1]
- Alexander von Humboldt foundation
- EPSRC [EP/K001183/1] Funding Source: UKRI
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Bimetallic lithium aluminates and neutral aluminum counterparts are compared as catalysts in hydroboration reactions with aldehydes, ketones, imines and alkynes. Possessing Li-Al cooperativity, ate catalysts are found to be generally superior. Catalytic activity is also influenced by the ligand set, alkyl and/or amido. Devoid of an Al-H bond, iBu(2)Al(TMP) operates as a masked hydride reducing benzophenone through beta-H transfer process. This catalyst library therefore provides an entry point into the future design of Al catalysts targeting substrate specific transformations.
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