发明名称 |
Processes for making- and a new crystalline form of- leflunomide |
摘要 |
New leflunomide Form III is disclosed, along with processes for preparing it. The present invention also provides an economic process for preparing leflunomide Form II and a process for preparing leflunomide Form I from leflunomide Form III. Pharmaceutical compositions and dosage forms containing the new form and methods of using them for the treatment of rheumatoid arthritis are also disclosed.
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申请公布号 |
US6610718(B2) |
申请公布日期 |
2003.08.26 |
申请号 |
US20000736727 |
申请日期 |
2000.12.14 |
申请人 |
TEVA PHARMACEUTICAL INDUSTRIES LTD. |
发明人 |
AVRUTOV ILYA;GERSHON NEOMI;ARONHIME JUDITH |
分类号 |
A61K9/08;A61K9/10;A61K9/14;A61K9/20;A61K9/48;A61K31/42;A61P19/02;A61P29/00;C07D261/18;(IPC1-7):C07D261/18 |
主分类号 |
A61K9/08 |
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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