M. Lang, S. Lang-Fugmann, W. Steglich
Apr 28, 2003
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Journal
Organic Syntheses
Abstract
4-Hydroxy[1-13C] benzoic acid R Ethyl [2-13C] acetate I Diethyl [2-13C] malonate 4H, Pyran-4-one Ethyl-4-hydroxy[1-13C]benzoate P 4-Hydroxy[1-13C] benzoic acid Keywords: alkylation, C-alkylation (including aldol, michael, and friedel-crafts reactions); condensation, ester-active methylene condensation; 13C-labelled compounds; esters, of substituted monobasic acids, miscellaneous; annulation; esters, of substituted monobasic acids, hydroxy esters; 13C-labelled compounds; hydrolysis, esters and lactones; phenols; 13C-labelled compounds; as a phenol precursor; hydroxy acids, substituted