Optical Resolution of 2- and 3-Hydroxyalkyltriphenylphosphonium Salts. Stereoselective Synthesis of Enantiomerically Pure (E)- and (Z)-Homoallylic Alcohols

Article abstract of DOI:10.1246/bcsj.66.2623

Optically active 2- and 3-hydroxyalkyltriphenylphosphonium salts were prepared by the optical resolution of their 2,3-di-O-benzoyltartrates.The reaction of these salts with butyllithium afforded the corresponding ylides, which reacted with aldehydes to gi