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公开(公告)号:US20160200744A1
公开(公告)日:2016-07-14
申请号:US15063966
申请日:2016-03-08
发明人: Ottorino DE LUCCHI , Stefano TARTAGGIA , Clark FERRARI , Marco GALVAGNI , Marta PONTINI , Stefano FOGAL , Riccardo MOTTERLE , Rosa Maria MORENO , Alex COMELY
IPC分类号: C07F7/18 , B01J31/12 , C07D209/12 , B01J27/13 , C07D239/42 , C07D213/30
CPC分类号: C07F7/1804 , B01J27/13 , B01J31/122 , B01J2231/543 , C07D209/12 , C07D209/24 , C07D213/30 , C07D215/14 , C07D239/42 , C07D317/30 , C07D413/12 , C07D419/12 , C07F7/188 , C07F7/1892
摘要: Object of the present invention is an improved process for the preparation of key intermediates for the synthesis of statins.
摘要翻译: 本发明的目的是制备用于合成他汀类药物的关键中间体的改进方法。
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2.
公开(公告)号:US20220298116A1
公开(公告)日:2022-09-22
申请号:US17619383
申请日:2019-07-04
发明人: Paolo STABILE , Floriana SEMERARO
IPC分类号: C07D231/46 , B01J23/44 , C07C65/105 , C07C201/08 , C07C227/04
摘要: Object of the present invention is an improved process for the preparation of key intermediates for the synthesis of Eltrombopag, passing through/using intermediate 5′-Chloro-2′-hydroxy[1,1′-biphenyl]-3-carboxylic acid alkaline metal salt of formula: wherein A is an alkaline metal.
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