Copper‐Mediated Synthesis of N‐Aryl‐Oxamic Acids

The Cu‐catalyzed Ullmann‐Goldberg cross‐coupling between aryl iodides and oxamates is shown to afford the corresponding N‐aryloxamates with yields ranging from moderate to excellent, when the oxamate precursor incorporates a bulky tertiary alkyl group effectively preventing product degradation under...

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