Used in organic synthesis as a chiral building block for the preparation of β-amino acid derivatives and peptidomimetic compounds. Its sulfonate ester group acts as a leaving group, enabling nucleophilic substitution reactions to introduce various functional groups. The compound is particularly valuable in medicinal chemistry for constructing enantiomerically pure intermediates used in drug development, especially in protease inhibitors and other bioactive molecules. The ethyl ester moiety can be hydrolyzed to yield carboxylic acid derivatives, further expanding its utility in synthetic pathways.