TherecyclablePEG-boundbi-cinchonaalkaloidligandhasbeensuccessfullyappliedtothehomogeneouscatalyticasymmetricdihydroxylationofvariousalkenes;goodyieldsandexcellentenantioselectivitieswereobtained,Theligandcouldbeeasilyrecoveredandreusedfor10timeswithoutanyapparentlossofitscatalystefficiency.