摘要 |
<p>PCT No. PCT/EP98/01874 Sec. 371 Date Oct. 4, 1999 Sec. 102(e) Date Oct. 4, 1999 PCT Filed Apr. 1, 1998 PCT Pub. No. WO98/45247 PCT Pub. Date Oct. 15, 1998A process for the preparation of 3-amino-1,2-propanediol, commonly known as isoserinol, having an organic impurities content lower than 0.1% and an inorganic impurities content lower than 0.05%.</p> |