Mechanistic Insights and Kinetic Analysis for the Oxidative Hydroxylation of Arylboronic Acids by Visible Light Photoredox Catalysis: A Metal-Free Alternative

The photocatalytic hydroxylation of boronic acids with methylene blue as photosensitizer proceeds with high efficiency. Detailed time-resolved studies of the relevant rate constants provide a clear mechanistic understanding of excited-state processes and guided the selection of the photocatalyst and...

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Veröffentlicht in:Journal of the American Chemical Society 2013-09, Vol.135 (36), p.13286-13289
Hauptverfasser: Pitre, Spencer P., McTiernan, Christopher D., Ismaili, Hossein, Scaiano, Juan C.
Format: Artikel
Sprache:eng
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Zusammenfassung:The photocatalytic hydroxylation of boronic acids with methylene blue as photosensitizer proceeds with high efficiency. Detailed time-resolved studies of the relevant rate constants provide a clear mechanistic understanding of excited-state processes and guided the selection of the photocatalyst and the optimization of experimental conditions.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja406311g