934002-65-0Relevant academic research and scientific papers
PROCESS FOR ESTERIFICATION OF AN ORGANIC ACID
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Page/Page column 10; 13, (2008/06/13)
The invention relates to a sulphonic acid salt of an amino acid alkyl ester. The invention further relates to a process for the esterification of an organic acid into the corresponding organic acid ester comprising bringing the organic acid into contact with a strong acid and a solution comprising dialkylcarbonate in a reaction mixture. The invention further relates to the use of a sulphonic acid salt of an amino acid alkyl ester in the synthesis of a ?-lactam antibiotic.
