| 摘要 |
1472396 2-Deutero-3-fluoroalanine MERCK & CO Inc 28 July 1975 [31 July 1974] 31488/75 Heading C2C A process for resolving a DL-mixture of a 2- deutero-3-fluoro-DL-alanine salt, comprises preparing a saturated C 1-6 alkanolic solution of said DL-mixture in a solution zone; transforming the said solution into a supersaturated solution of the DL-mixture; contacting the supersaturated solution with crystals of one of the corresponding individual isomers, thereby crystallizing the said isomer from the said solution ; and recovering the other individual isomer from the resulting mother liquor. |
