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1.发明授权2-acetyl-6-cyanopyridines and their use as intermediates in the synthesis of oligo-2,6-pyridines 失效2-乙酰基-6-氰基吡啶并且它们用作合成低聚-2,6-吡啶的中间体
公开(公告)号：US5539117A
公开(公告)日：1996-07-23
申请号：US277193
申请日：1994-07-19
IPC分类号： C07D213/84 , C07D405/06 , C07F7/18 , C07D213/22 , C07F7/02
CPC分类号： C07D213/84 , C07D405/06 , C07F7/1856
摘要： The present invention is directed to 2-acetyl-6-cyanopyridine compounds that are useful as intermediates in the synthesis of oligo-2,6-pyridines. The present invention is also directed to new, simpler, less expensive methods for synthesizing such oligopyridines using the novel 2-acetyl-6-cyanopyridine compounds as intermediates.
摘要翻译： 本发明涉及可用作合成低聚-2,6-吡啶的中间体的2-乙酰基-6-氰基吡啶化合物。 本发明还涉及使用新颖的2-乙酰基-6-氰基吡啶化合物作为中间体合成这种低聚吡啶的新的，更简单的，更便宜的方法。
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2.发明授权2-acetyl-6-cyanopyridines and their use as intermediates in the synthesis of oligo-2,6-pyridines 失效2-乙酰基-6-氰基吡啶并且它们用作合成低聚-2,6-吡啶的中间体
公开(公告)号：US5350696A
公开(公告)日：1994-09-27
申请号：US46221
申请日：1993-04-13
IPC分类号： C07D213/84 , C07D405/06 , C07F7/18 , C07D405/12
CPC分类号： C07D213/84 , C07D405/06 , C07F7/1856
摘要： The present invention is directed to 2-acetyl-6-cyanopyridine compounds that are useful as intermediates in the synthesis of oligo-2,6-pyridines. The present invention is also directed to new, simpler, less expensive methods for synthesizing such oligopyridines using the novel 2-acetyl-6-cyanopyridine compounds as intermediates.
摘要翻译： 本发明涉及可用作合成低聚-2,6-吡啶的中间体的2-乙酰基-6-氰基吡啶化合物。 本发明还涉及使用新颖的2-乙酰基-6-氰基吡啶化合物作为中间体合成这种低聚吡啶的新的，更简单的，更便宜的方法。
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公开(公告)号：US5756688A
公开(公告)日：1998-05-26
申请号：US121133
申请日：1993-09-14
IPC分类号： G01R33/28 , A61B5/055 , A61K49/00 , A61K49/06 , A61K49/12 , C08G65/32 , C08G65/48 , C08G69/40 , A61B5/05 , A61K33/40 , G01N24/00 , G01N31/00
CPC分类号： A61K49/128
摘要： This invention provides compositions useful in MR imaging comprising a polymer comprising units comprising the residue of a chelating agent linked to a poly(alkylene oxide) moiety, the polymer having a paramagetic metal ion associated therewith.
摘要翻译： 本发明提供了可用于MR成像的组合物，其包含包含与聚（环氧烷）部分连接的螯合剂残基的单元的聚合物，所述聚合物具有与其相关的参与性金属离子。
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