Used as a chiral phase-transfer catalyst in asymmetric synthesis, enabling enantioselective alkylation and Michael addition reactions. Its rigid anthracene moiety enhances π-π interactions, improving stereoselectivity in the formation of chiral compounds. Applied in the synthesis of pharmaceutical intermediates where high enantiomeric excess is required. Also employed in electrochemical and photochemical transformations due to its ability to stabilize charged intermediates under biphasic conditions.