Radical chain repair: The hydroalkylation of polysubstituted unactivated alkenes.
basic_science · Level V
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- Record sourced from PubMed, PMID 30035230.
- Also identified by DOI 10.1126/sciadv.aat6031 and PMC identifier 6054511.
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Abstract
The concept of repair is widely used by nature to heal molecules such as proteins, lipids, sugars, and DNA that are damaged by hydrogen atom abstraction resulting from oxidative stress. We show that this strategy, rather undocumented in the field of synthetic organic chemistry, can be used in a radical chain reaction to enable notoriously intractable transformations. By overcoming the radical chain inhibitor properties of substituted alkenes, the radical-mediated hydroalkylation of mono-, di-, tri-, and even tetrasubstituted unactivated olefins could be performed under mild conditions. With a remarkable functional group tolerance, this reaction provides a general coupling method for the derivatization of olefin-containing natural products.