Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 21, Issue 16, Pages 3350-3354Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3ob00072a
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In this study, iminyl radicals were generated through photocatalytic deoxygenation of oximes with trivalent phosphine. The hydroimination reaction proceeded via beta-scission of a phosphoranyl radical, followed by 5-exo-trig cyclization of the resulting iminyl radical. This protocol transforms oximes, including alkyl oximes, into a variety of pyrrolines in moderate to good yields. A radical clock experiment confirmed the formation of a cyclic radical and supported our reaction design.
Herein, we report the generation of iminyl radicals through photocatalytic deoxygenation of oximes with trivalent phosphine. The hydroimination reaction proceeded via beta-scission of a phosphoranyl radical, followed by 5-exo-trig cyclization of the resulting iminyl radical. This protocol transforms oximes, including alkyl oximes, into a variety of pyrrolines in moderate to good yields. A radical clock experiment confirmed the formation of a cyclic radical and supported our reaction design.
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