Journal
CATALYSIS COMMUNICATIONS
Volume 11, Issue 13, Pages 1049-1053Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2010.04.022
Keywords
Photocatalysis; Titanium dioxide; Aromatic ketones; Reduction; Hydrogenation
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Funding
- Japan Society for the Promotion of Science [21590052, 19590005]
- Astellas Foundation for Research on Metabolic Disorders
- HUNS
- Grants-in-Aid for Scientific Research [19590005, 22590026, 21590052] Funding Source: KAKEN
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In the absence of molecular oxygen, various aromatic ketones such as acetophenone derivatives and diaryl ketones were photocatalytically hydrogenated on polycrystalline titanium dioxide (Degussa P25) under UV light irradiation (>340 nm). The desired secondary alcohols were obtained with excellent chemical efficiency (almost 100% yields for 10 examples) by choosing ethanol as a sacrificial hole scavenger, which was oxidized into acetaldehyde. (C) 2010 Elsevier B.V. All rights reserved.
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