title: Preparation of optically active proline. Optical resolution of N-acyl-DL-proline by preferential crystallization procedure.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003460:Crystallization; D009904:Optical Rotation; D011392:Proline / Q000031:analogs & derivatives* / Q000302:isolation & purification*; D012995:Solubility; D013237:Stereoisomerism
chemical_list: D011392:Proline