发明授权
US4978773A Process for the preparation of 2,6-dichlorodiphenylaminoacetic acid
derivatives
失效
2,6-二氯二苯基氨基乙酸衍生物的制备方法
- 专利标题: Process for the preparation of 2,6-dichlorodiphenylaminoacetic acid derivatives
- 专利标题(中): 2,6-二氯二苯基氨基乙酸衍生物的制备方法
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申请号: US369618申请日: 1989-06-21
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公开(公告)号: US4978773A公开(公告)日: 1990-12-18
- 发明人: Ingomar Grafe , Helmut Schickaneder , Kurt H. Ahrens
- 申请人: Ingomar Grafe , Helmut Schickaneder , Kurt H. Ahrens
- 申请人地址: DEX Nuremberg
- 专利权人: Heumann Pharma GmbH & Co.
- 当前专利权人: Heumann Pharma GmbH & Co.
- 当前专利权人地址: DEX Nuremberg
- 优先权: DEX89101437 19890127
- 主分类号: C07D209/46
- IPC分类号: C07D209/46 ; A61K31/195 ; C07C67/31 ; C07C69/712 ; C07C209/50 ; C07C211/45 ; C07C227/12 ; C07C227/18 ; C07C227/22 ; C07C229/42 ; C07C235/16 ; C07C235/24
摘要:
A new process for the preparation of 2,6-dichlorodiphenylamine derivatives is described, which process provides the desired active compound in a high yield and with a very high degree of purity by a technically simple and realizable procedure.
公开/授权文献
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