Journal
CHEMICAL SCIENCE
Volume 9, Issue 12, Pages 3186-3191Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7sc05402e
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Funding
- NIGMS [R01 GM 113878]
- NIH [S10 OD011980]
- NIH NRSA [F32 GM 117634]
- University of Maryland College Park [CHE160082, CHE160053]
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This report details the development and implementation of a strategy to construct aryl- and heteroaryl sulfones via Ni/photoredox dual catalysis. Using aryl sulfinate salts, the C-S bond can be forged at room temperature under base-free conditions. An array of aryl- and heteroaryl halides are compatible with this approach. The broad tolerance and mild nature of the described reaction could potentially be employed to prepare sulfones with biological relevance (e.g., in bioconjugation, drug substance synthesis, etc.) as demonstrated in the synthesis of drug-like compounds or their precursors. When paired with existing Ni/photoredox chemistry for C-sp(3)-C-sp(2) cross-coupling, an array of diverse sulfone scaffolds can be readily assembled from bifunctional electrophiles. A mechanistic manifold consistent with experimental and computational data is presented.
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