Journal
ORGANIC CHEMISTRY FRONTIERS
Volume 6, Issue 8, Pages 1200-1204Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qo00235a
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Funding
- National Natural Science Foundation of China [21302134]
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Here we report an efficient copper-catalysed selective C-C bond cleavage/amination of cyclobutanone oxime esters. This reaction protocol is operationally simple and conducted at ambient temperature, allowing access to a wide range of functionalized 4-(arylamino)butanenitriles in moderate to excellent yields. This transformation shows high chemo-selectivity and wide functional-group compatibility and can be easily scaled up to the gram level with a useful yield. A mechanism involving copper-catalysed capture of alkyl radical intermediates by amine nucleophiles is proposed.
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