Redox reactions of small organic molecules using ball milling and piezoelectric materials.
basic_science · Level V
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- Record sourced from PubMed, PMID 31857482.
- Also identified by DOI 10.1126/science.aay8224.
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Abstract
Over the past decade, photoredox catalysis has harnessed light energy to accelerate bond-forming reactions. We postulated that a complementary method for the redox-activation of small organic molecules in response to applied mechanical energy could be developed through the piezoelectric effect. Here, we report that agitation of piezoelectric materials via ball milling reduces aryl diazonium salts. This mechanoredox system can be applied to arylation and borylation reactions under mechanochemical conditions.