SEARCH Articles Figures Tables Activated carboxylates Activating function Activation function Active functional Carboxyl functionality Carboxylate activation Carboxylate functionality Carboxylate, synthesis Carboxylic functionalities Carboxylic functionalized Carboxylic functions Carboxylic synthesis Carboxylic-functionalization Functional activation Functional activity Functional synthesis Functionalized carboxylate Functionalized synthesis Functions activity Functions synthesis Peptide active Peptide activity Peptides activation Peptides functions