期刊
CHEMICAL SCIENCE
卷 9, 期 36, 页码 7230-7235出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8sc02038h
关键词
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资金
- German Science Foundation (DFG) [GRK 1626]
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme [741623]
We report a photocatalytic version of the Barbier type reaction using readily available allyl or benzyl bromides and aromatic aldehydes or ketones as starting materials to generate allylic or benzylic alcohols. The reaction proceeds at room temperature under visible light irradiation with the organic dye 3,7-di(4-biphenyl)1-naphthalene-10-phenoxazine as a photocatalyst and DIPEA as sacrificial electron donor. The proposed cross-coupling mechanism of a ketyl- and an allyl or benzyl radical is supported by spectroscopic investigations and cyclic voltammetry measurements.
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