| 摘要 |
PCT No. PCT/GB97/00643 Sec. 371 Date Sep. 8, 1998 Sec. 102(e) Date Sep. 8, 1998 PCT Filed Mar. 7, 1997 PCT Pub. No. WO97/32851 PCT Pub. Date Sep. 12, 1997A process for preparing substantially single enantiomer d-threo-methylphenidate, proceeds by means of a classical salt resolution using (-)-menthoxyacetic acid.
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