Sulfenamide-enabled ortho thiolation of aryl iodides via palladium/norbornene cooperative catalysis.

Nat Commun · 2019 · PMC6685968 · PMID 31391472

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a clear trendno p-value reported

A clear trend is that increasing the steric hindrance around the amide moiety elongated the N–S bond, which correlates to the performance of these reagents.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.