A convenient method for optical interconversion of enantiomeric secondary alcohols was established according to the following procedures: treatment of optically active 2- alkyloxybenzothiazolium salt, formed in situ from 2-fluoro salt I and optically active
[Annunziata, Rita; Cinquini, Mauro; Colonna, Stefano; Cozzi, Franco Journal of the Chemical Society, Chemical Communications, 1981 , # 19 p. 1005 - 1006]