Simple and abundant carboxylic acids have been used as acyl radical precursor by means of visible-light photoredox catalysis. By the transient generation of a reactive anhydride intermediate, this redox-neutral approach offers a mild and rapid entry to high-value heterocyclic compounds without the need of UV irradiation, high temperature, high CO pressure, tin reagents, or peroxides.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4648026 | PMC |
| http://dx.doi.org/10.1002/anie.201506432 | DOI Listing |
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