发明名称 A METHOD FOR THE PURIFICATION OF LEVETIRACETAM
摘要 <p>The present invention relates to an improved process for the preparation of Levetiracetam of formula (I). More particularly, the present invention relates to a method for the purification of crude Levetiracetam using a solvent mixture of ethyl acetate and water.(I).</p>
申请公布号 WO2007080470(A2) 申请公布日期 2007.07.19
申请号 WO2007IB00029 申请日期 2007.01.08
申请人 ORCHID CHEMICALS & PHARMACEUTICALS LIMITED;RAO, SIRIPRAGADA, MAHENDER;THIRUMURUGAN, KUNCHITHAPATHAM;NAIDU, KUNDRAPPU, CHINNAM 发明人 RAO, SIRIPRAGADA, MAHENDER;THIRUMURUGAN, KUNCHITHAPATHAM;NAIDU, KUNDRAPPU, CHINNAM
分类号 C07D207/26 主分类号 C07D207/26
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