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- W3204137519 abstract "Herein, we report the metal-free direct C–H arylation of enones mediated by hypervalent iodine reagents. The reaction proceeds via a reductive iodonium Claisen rearrangement of <i>in situ </i>b-pyridinium silyl enol ethers. The aryl groups are derived from ArI(O<sub>2</sub>CCF<sub>3</sub>)<sub>2</sub> reagents, which are readily accessed from the parent iodoarenes. It is tolerant of a wide range of substitution patterns and the incorporated arenes maintain the valuable iodine functional handle. Mechanistic investigations implicate arylation via an umpoled “enolonium” species and that the presence of a b-pyridinium moiety is critical for desired C–C bond formation." @default.
- W3204137519 created "2021-10-11" @default.
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- W3204137519 date "2019-10-23" @default.
- W3204137519 modified "2023-10-16" @default.
- W3204137519 title "Direct C–H Alpha Arylation of Enones with ArI(O2CR)2 Reagents" @default.
- W3204137519 doi "https://doi.org/10.26434/chemrxiv.10007213.v1" @default.
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