Enantiomeric enrichment of a nonracemic conglomerate of a chiral oxo-rhenium(v) complex

Abstract

The enantiomer being in excess was readily recovered from a nonracemic conglomerate of chiral cis-[ReOCl₂{OCMe₂CMe₂OP(OCMe₂CMe₂O)}py] by means of a difference in solubility between the enantiomer and the racemate; subsequently the solubility diagram and the specific optical rotation [α]₅₈₉ = +1345 (±30 max. absolute error; c = 0.05 g per 100 cm³ in MeCN) for the pure enantiomer of the absolute configuration C was also determined.