A capillary electrophoresis (CE) method has been firstly used for the separation of the therapeutically important xanthones from Securidaca inappendiculata. The
(-)-Menthol reacts with phosphorus trichloride to afford menthyl phosphorodichloridite 2,which further reacts with racemic 1,1′-binaphthalene-2,2′- diol to giv