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- Title
An Ethylene-Bridged Phosphane/Borane Frustrated Lewis Pair Featuring the -B(Fxyl)<sub>2</sub> Lewis Acid Component.
- Authors
Wang, Long; Samigullin, Kamil; Wagner, Matthias; McQuilken, Alison C.; Warren, Timothy H.; Daniliuc, Constantin G.; Kehr, Gerald; Erker, Gerhard
- Abstract
Hydroboration of dimesitylvinylphosphane with bis[3,5-bis(trifluoromethyl)phenyl]borane [HB(Fxyl)2] gave the intramolecular ethylene-bridged P/B frustrated Lewis pair (FLP) Mes2PCH2CH2B(Fxyl)2. The new compound underwent a variety of typical FLP reactions such as P/B-addition to the carbonyl group of p-chloro-benzaldehyde. Cooperative N,N-addition to nitric oxide gave the respective persistent P/B FLPNO. radical, which readily reacted with 1,4-cyclohexadiene by H-atom abstraction to yield the corresponding P/B FLPNOH product. The B(Fxyl)2-containing FLP reacted as a template for the HB(C6F5)2 reduction of carbon monoxide to the formyl stage to give the respective FLP(η2-formylborane) product. Most products were characterized by single-crystal X-ray crystal structure analysis.
- Subjects
LEWIS pairs (Chemistry); ELECTRON pairs; LEWIS acids; ETHYLENE crystals; ALKENES
- Publication
Chemistry - A European Journal, 2016, Vol 22, Issue 31, p11015
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201601583