Used as a chiral resolving agent in organic synthesis, particularly for the separation of enantiomers of basic compounds. Its structural compatibility with chiral amines allows it to form diastereomeric salts that differ in solubility, enabling effective resolution through crystallization. Commonly applied in the pharmaceutical industry for purifying enantiomerically pure intermediates. Also employed in asymmetric synthesis as a chiral auxiliary or derivatizing agent to control stereochemistry in multi-step reactions. Its benzyl groups enhance solubility in organic solvents, making it suitable for use in non-aqueous reaction systems.