SEARCH Articles Figures Tables A-Hydrogen acidity Acids cinnamic acid Catalysis hydrogenation Cinnamate Cinnamates Cinnamic 4- Cinnamic acid Cinnamic acid hydrogenation Cinnamic acid, a- Cinnamic acid/cinnamate Cinnamics Homogeneous Hydrogenated Homogeneous catalysis Homogenous catalysis Hydrogen homogeneous Hydrogenation homogenous