Abstract
In the pursuing of optically active polymers synthesized from N-substituted maleimides (RMIs) for the application on optical resolution of racemates by being used as chiral stationary phase (CSP) of high performance liquid chromatography (HPLC), poly((R)-N-maleoyl-D-phenylglycine alkyl ester)s (poly((R)-RPGMI)s) were obtained by asymmetric anionic polymerizatons of two kinds of (R)-RPGMIs with organometal or organometal/chiral ligand complex as initiators. Chiroptical properties and structures of the polymers obtained were investigated by GPC, CD, XRD and NMR measurements. Among these two kinds of polymers, poly((R)-N-maleoyl-D-phenylglycine methyl ester) (poly((R)-MPGMI)) showed excellent optical resolution ability to many racemates because of its high optical activity attributed to the stereoregular threo-diisotactic structure in the main chain of the polymer.
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