Silver-catalyzed cyclization of α-imino-oxy acids to fused tetralone derivatives.
Organic & biomolecular chemistry(2023)
摘要
A silver-catalyzed intramolecular radical relay cyclization of α-imino-oxy acids under mild conditions has been described. This reaction offers facile access to a diverse range of fused tetralone derivatives with exquisite stereoselectivity in moderate to good yields (40-98%). Experimental studies show that the reaction undergoes a decarboxylation and acetone fragmentation/1,5-hydrogen atom transfer (HAT)/cyclization process.
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关键词
cyclization,silver-catalyzed,imino-oxy
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