- 专利标题： AN IMPROVED PROCESS FOR THE PREPARATION OF 4-OXOISOTRETINOIN
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申请号： PCT/IB2021/057015申请日： 2021-07-31
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公开(公告)号： WO2022034427A1公开(公告)日： 2022-02-17
- 发明人: SENTHILKUMAR, Natarajan , KISHORE, Karumanchi , KRISHNA, Vanchanagiri , VENKATA RAMAKRISHNA MURTHY, Moturu , MEENAKSHISUNDERAM, Sivakumaran
- 申请人： AUROBINDO PHARMA LTD
- 申请人地址： The Water Mark Building, Plot No. 11, Survey No. 9, Kondapur
- 专利权人： AUROBINDO PHARMA LTD
- 当前专利权人： AUROBINDO PHARMA LTD
- 当前专利权人地址： The Water Mark Building, Plot No. 11, Survey No. 9, Kondapur
- 优先权： IN202041035037 2020-08-14
- 主分类号： A61K31/203
- IPC分类号： A61K31/203 ; C07C403/20 ; C07D213/55
摘要：
The present invention relates to an improved process for the preparation of 4-Oxoisotretinoin and purification process of 4-Oxoisotretinoin (I) and crystalline 5 form of 4-Oxoisotretinoin (I).
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