Abstract
AbstractAn EDA complex comprising N‐allyl bromodifluoroacetamides and tertiary alkyl amine was exploited to facilitate annulative difunctionalization reaction under visible‐light irradiation. This external photocatalyst‐free methodology garners olefin‐olefin coupling featuring a radical Truce‐Smiles rearrangement and produced long‐chain functionalized gem‐difluoropyrrolidones from N‐substituted methacryloyl sulfonamides, while simple N‐aryl methacrylamides furnished pyrrolidinone‐oxindole hybrid lactams in high yields. Mechanistic investigations substantiate a combined reaction mechanism, involving charge‐transfer EDA complex‐based radical cascade, alongside an α‐aminoalkyl radical‐triggered XAT process, exhibiting a quantum yield value of 1.48.
Published Version
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