Used as a chiral auxiliary in asymmetric synthesis, particularly in the preparation of enantiomerically pure compounds. Its ferrocene backbone provides stability and stereochemical control, making it valuable in catalytic asymmetric reactions such as alkylations and aldol condensations. The tartrate salt form enhances solubility and crystallinity, facilitating purification and handling in synthetic routes. Commonly employed in organometallic chemistry and pharmaceutical research where precise stereochemistry is critical.