2,2-DISUBSTITUTED 1,3-DIOXOLANES, A METHOD FOR THE PREPARATION AND USE AS INTERMEDIARY PRODUCTS FOR THE SYNTHESIS OF RESPECTIVE (S)- ENANTIOMERS AND (-)3-(4-PHENYL-1-PIPERAZINYL)-1,2-PROPANEDIOL

摘要

±3-(4-Phenyl-1-piperazinyl)-1,2-propunediol cyclic acetals, a process for the optical resolution thereof and their use as intermediates for the prepartion of(-)3-(4-phenyl-1-piperuzinyl)-1,2-propanediol(levodropropizine) and salts thereof.