发明名称 PROCESS FOR MANUFACTURING BISPHOSPHONIC ACIDS
摘要 A manufacturing process for the preparation of bisphosphonic acids and in particular zoledronic acid is provided wherein diglyme, monoglyme, or a mixture thereof, is utilized to produce a homogenous, water soluble, solid reaction mass that upon cooling, dissolving in water and stripping results in a high purity product and comparatively good yield. wherein Ri is selected from the group consisting of
申请公布号 US2009137808(A1) 申请公布日期 2009.05.28
申请号 US20070282725 申请日期 2007.03.16
申请人 ALBEMARLE CORPORATION 发明人 SAMSEL EDWARD G.;WU TSE-CHONG
分类号 C07D221/02;C07D213/02;C07D233/54;C07F9/38 主分类号 C07D221/02
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