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Addition of carboxylic acids to ketene leads to acid anhydrides. Ketene and glacial acetic acid thus yield acetic anhydride according to the general equation ... [Pg.296]

Other dehydration reactions include the conversion of primary amides to nitriles, aldehydes to nitriles (via the hydroxylamine) (eq 13), and carboxylic acids to ketenes (eq 14). ... [Pg.134]

See other pages where Carboxylic acids to ketenes is mentioned: [Pg.1657] [Pg.284] [Pg.731]