SEARCH Articles Figures Tables 2- phenyl hydrogen A asymmetric A asymmetric hydrogenation A-Hydrogen acidity A-PHENYL Acidity of a-hydrogens Carri Carrie Carry Hydrogen substituents Hydrogenation of acids Phenyl hydrogenation Phenyl substituent Phenylation, asymmetric Phenylic acid Vinylphosphonates Vinylphosphonic acids hydrogenation