SEARCH Articles Figures Tables A- carboxylic acid amides A-formyl Aldehyde amidation Aldehydes (s. a. Aldehyde carboxylic acid amide Aldehydes acidity Aldehydes formylation Amidations aldehydes Amide . . . s. a. Carboxylic Amides carboxylates Carboxylic amides Formylic acid S 4-formyl S-Formylation