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- Title
Elusive Silane-Alane Complex [SiH⋅⋅⋅Al]: Isolation, Characterization, and Multifaceted Frustrated Lewis Pair Type Catalysis.
- Authors
Chen, Jiawei; Chen, Eugene Y.-X.
- Abstract
The super acidity of the unsolvated Al(C6F5)3 enabled isolation of the elusive silane-alane complex [SiH⋅⋅⋅Al], which was structurally characterized by spectroscopic and X-ray diffraction methods. The Janus-like nature of this adduct, coupled with strong silane activation, effects multifaceted frustrated-Lewis-pair-type catalysis. When compared with the silane-borane system, the silane-alane system offers unique features or clear advantages in the four types of catalytic transformations examined in this study, including: ligand redistribution of tertiary silanes into secondary and quaternary silanes, polymerization of conjugated polar alkenes, hydrosilylation of unactivated alkenes, and hydrodefluorination of fluoroalkanes.
- Subjects
SILANE; ALUMINUM compounds; X-ray diffraction; CATALYSIS; LEWIS pairs (Chemistry)
- Publication
Angewandte Chemie, 2015, Vol 127, Issue 23, p6946
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201502400