A Convenient One-Pot Synthesis of Carboxylic Acid Anhydrides Using 1,1'-Oxalyldiimidazole(Organic,Chemical)

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Aliphatic, aromatic, and heteroaromatic carboxylic acids (5a-i) react with 1,1'-oxalyldiimidazole (6) in acetonitrile under reflux in the presence of methanesulfonic acid (12) to give the corresponding carboxylic acid anhydrides (9a-i) in 30-98% yields.
社団法人日本薬学会の論文
1987-03-25

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