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公开(公告)号:US6037474A
公开(公告)日:2000-03-14
申请号:US276345
申请日:1999-03-25
申请人: Karlheinz Drauz , Rolf Hoffmann , Ivan Pilgrims
发明人: Karlheinz Drauz , Rolf Hoffmann , Ivan Pilgrims
IPC分类号: C07D233/32 , C07D233/70 , C07D235/02
CPC分类号: C07D233/70 , C07D233/32 , C07D235/02
摘要: The present invention relates to a process for the preparation of cyclic 4-oxoamidines. Such substances are precursors of active substances having biological action. The process according to the invention forms a further method of obtaining this class of compound.By reacting condensation products of aldehydes and aminonitriles or amino acid amides with oxidizing agents, the desired cyclic 4-oxoamidines are obtained according to the invention in good to very good yields.
摘要翻译: 本发明涉及制备环状4-氧代脒的方法。 这些物质是具有生物作用的活性物质的前体。 根据本发明的方法形成获得这类化合物的另一种方法。 通过使醛和氨基腈或氨基酸酰胺的缩合产物与氧化剂反应,根据本发明获得所需的环状4-氧代脒基,得到很好的产率。