SEARCH Articles Figures Tables 2- ethyl esters protect carboxyl groups 2- ethyl esters, to protect carboxyl groups 2-Phenyl-2- anthrylmethyl esters to protect carboxyl groups Benzyl esters, to protect carboxyl groups Bis methyl esters, to protect carboxyl groups By hydroxy group - hydrolysis of telluroesters to carboxylic acids and esters Carbonyl group anhydrides Carboxylic acids Esters Ketones Carboxyl group ortho esters Ester groups Esters to protect carboxyl groups Functional groups carboxylic esters Methyl esters, to protect carboxyl groups Miscellaneous esters to protect carboxyl groups, list Phenacyl esters, to protect carboxyl groups Phenyl esters, to protect carboxyl groups Phosphorodithioates containing carboxylic acid ester and amide groups