发明名称 Method of purifying Lorazepam
摘要 <p>A new method of purification of Lorazepam is disclosed that consists in removing products of synthesis, decomposition products, water or other solvent that forms a solvate with Lorazepam, by crystallization or stirring in an organic solvent of the ether, ester or ketone type. Lorazepam prepared via this method can be utilized in the pharmaceutical industry for the manufacture of pharmaceuticals.</p>
申请公布号 SK14832003(A3) 申请公布日期 2005.07.01
申请号 SK20030001483 申请日期 2003.12.03
申请人 ZENTIVA, A. S. 发明人 LOPUCH JOZEF;PROKSA BOHUMIL;VANDAK DUSAN
分类号 C07D243/24;(IPC1-7):C07B63/00 主分类号 C07D243/24
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