Journal
ORGANIC LETTERS
Volume 20, Issue 17, Pages 5213-5218Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.8b02157
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Funding
- JSPS KAKENHI [18K14225]
- Sumitomo Foundation
- Mizuho Foundation for the Promotion of Sciences
- Japan Science Society
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A concise synthesis of new oxy-tethered ruthenium complexes effective for the asymmetric transfer hydrogenation of aromatic ketones is described. The oxy-tether was constructed via a defluorinative etherification arising from an intramolecular nucleophihc substitution of a perfluorinated phenylsulfonyl substituent. The obtained tethered complexes exhibited desirable catalytic activity and selectivity, especially in the asymmetric transfer hydrogenation of functionalized aromatic ketones. The robustness and rigidity of the tether contribute to their superior catalytic performance relative to the nontethered prototype complex.
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