发明名称 |
Process for the purification of meloxicam |
摘要 |
The present invention relates to a process for the purification of meloxicam and in particular of the impurity composed of 4-hydroxy-2-methyl-N-ethyl-N'-(5-methyl-2-thiazolyl)-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide and to meloxicam containing a quantity of less than 0.05% of the above-mentioned impurity ("ethylamide").
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申请公布号 |
US2006116514(A1) |
申请公布日期 |
2006.06.01 |
申请号 |
US20050249019 |
申请日期 |
2005.10.11 |
申请人 |
VIGANO ENRICO;LANDONIO ERNESTO |
发明人 |
VIGANO ENRICO;LANDONIO ERNESTO |
分类号 |
C07D417/02 |
主分类号 |
C07D417/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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