A one-step base-free synthesis of N-arylamides via modified pivaloyl mixed anhydride mediated amide coupling
Organic & Biomolecular Chemistry(2023)
摘要
Pivalic anhydride is shown to be an effective reagent for direct amidation of carboxylic acids with -alkyl anilines. The only by-product of this reaction is nontoxic pivalic acid, which can be easily removed by aqueous workup. The reactions are conducted under mild conditions and found to be compatible with a range of carboxylic acids, including aromatic, heterocyclic, acrylic, and aliphatic carboxylic acids and amino acids generating the desired amides in short reaction times.
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关键词
synthesis,one-step,base-free,n-arylamides
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