Journal
CHEMICAL SCIENCE
Volume 10, Issue 44, Pages 10412-10416Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9sc03032h
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Funding
- EPSRC
- GSK
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The challenges of developing sustainable methods of carbon-carbon bond formation remains a topic of considerable importance in synthetic chemistry. Capitalizing on the highly reactive nature of the nitrile imine 1,3-dipole, we have developed a novel metal-free coupling of this species with aryl boronic acids. Photochemical generation of a nitrile imine intermediate and trapping with a palette of boronic acids enabled rapid and facile access to a broad library of more than 25 hydrazone derivatives in up to 92% yield, forming a carbon-carbon bond in a metal free fashion. This represents the first reported example of direct reaction between boronic acids and a 1,3-dipole.
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