SEARCH Articles Figures Tables Acetoacetate dianion Acetoacetate ester Acetoacetates esters Acetoacetic ester acetoacetate Acetoacetic ester, alkylation Acetoacetic ester— Alkyl 4 -acetoacetate Alkyl esters Dianion alkylation Dianions alkylation Esters acetoacetic ester Esters alkylation