SEARCH Articles Figures Tables Acetylene and Substituted Acetylenes in Presence of Carboxylic Acids, Hydrogen Halides, Mercaptans or Amines Asymmetric hydrogenation of unsaturated carboxylic acids Carboxylic acids hydrogenation Hydrogen carboxylic acid Hydrogenation of Aliphatic Carboxylic Acids Hydrogenation of acids Hydrogenation of aromatic carboxylic acids Hydrogenation of unsaturated carboxylic acid Olefins and Functional Derivatives in the Presence of Carboxylic Acids, Thiols, Amines or Hydrogen Chloride