SEARCH Articles Figures Tables 2- -4-alken-1 - 1-amino-1 -alkene 3-amino-1-alkene 2-alkenal Alkenes acidity Alkenes carboxylated Alkenes carboxylation Amino ligands Amino-alkenes Carboxylate ligands Carboxylate/amino acid ligands Carboxylic acids alkenes Carboxylic acids alkenic Carboxylic acids, amino Ligands acids Ligands carboxylates