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公开(公告)号：US20110112297A1
公开(公告)日：2011-05-12
申请号：US13000200
申请日：2009-06-19
IPC分类号： C07D489/08 , C07F7/18
CPC分类号： C07D489/08 , C07D489/09
摘要： The present invention relates to morphinan derivatives and preparation methods thereof, especially to ketal hydroxyl protected compounds of morphinan derivatives and preparation method thereof, and to a method for preparing corresponding alkylated morphinan derivatives by using the ketal hydroxyl protected compounds as intermediates, and more especially to a ketal hydroxyl protected compound of methylnaltrexone as intermediate for preparing methylnaltrexone and a method for preparing methylnaltrexone through said intermediate.
摘要翻译： 本发明涉及吗啡喃衍生物及其制备方法，尤其涉及缩酮羟基保护的吗啡喃衍生物化合物及其制备方法，以及通过使用缩酮羟基保护的化合物作为中间体制备相应的烷基化吗啡喃衍生物的方法，更具体地涉及 作为制备甲基纳曲酮的中间体的甲基纳曲酮的缩酮羟基保护的化合物和通过所述中间体制备甲基纳曲酮的方法。
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公开(公告)号：US08563721B2
公开(公告)日：2013-10-22
申请号：US13000200
申请日：2009-06-19
IPC分类号： C07F7/02 , C07D489/08
CPC分类号： C07D489/08 , C07D489/09
摘要： The present invention relates to morphinan derivatives and preparation methods thereof, especially to ketal hydroxyl protected compounds of morphinan derivatives and preparation method thereof, and to a method for preparing corresponding alkylated morphinan derivatives by using the ketal hydroxyl protected compounds as intermediates, and more especially to a ketal hydroxyl protected compound of methylnaltrexone as intermediate for preparing methylnaltrexone and a method for preparing methylnaltrexone through said intermediate.
摘要翻译： 本发明涉及吗啡喃衍生物及其制备方法，尤其涉及缩酮羟基保护的吗啡喃衍生物化合物及其制备方法，以及通过使用缩酮羟基保护的化合物作为中间体制备相应的烷基化吗啡喃衍生物的方法，更具体地涉及 作为制备甲基纳曲酮的中间体的甲基纳曲酮的缩酮羟基保护的化合物和通过所述中间体制备甲基纳曲酮的方法。
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