| 摘要 |
<p>PCT No. PCT/SE97/00675 Sec. 371 Date Sep. 4, 1997 Sec. 102(e) Date Sep. 4, 1997 PCT Filed Apr. 22, 1997 PCT Pub. No. WO97/41084 PCT Pub. Date Nov. 6, 1997The invention relates to a process for the production of enantiomerically-pure AzeOH which comprises selective crystallisation of a diastereomerically-pure AzeOH-tartrate salt from a homogeneous solution of AzeOH, optically-active tartaric acid, an organic acid and an aldehyde, followed by liberation of the free amino acid.</p> |
