申请人:Glaxo Wellcome Inc.
公开号:US20020055177A1
公开(公告)日:2002-05-09
A method of testing the purity or stability to degradation of a sample of lamotrigine or a pharmaceutical dosage form comprising lamotrigine comprises assaying the said sample for the presence of a compound selected from 3-amino-6-(2,3-dichlorophenyl)-1,2,4-triazine-5-(4H)-one (compound A) and N-[5-amino-6-(2,3-dichlorophenyl)-1,2,4-triazine-3-yl]-2,3-dichlorobenzamide (compound B). A process for producing compound B, which is novel, is also disclosed.
一种测试拉莫三嗪样品或包含拉莫三嗪的药物剂量形式的纯度或稳定性降解的方法,包括对所述样品进行测定,以检测3-氨基-6-(2,3-二氯苯基)-1,2,4-三嗪-5-(4H)-酮(化合物A)和N-[5-氨基-6-(2,3-二氯苯基)-1,2,4-三嗪-3-基]-2,3-二氯苯甲酰胺(化合物B)中选择的化合物的存在。还公开了一种生产新型化合物B的方法。