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公开(公告)号:US06316673B2
公开(公告)日:2001-11-13
申请号:US09776104
申请日:2001-02-02
申请人: Henry Giera , Torsten Pohl , Uwe Hugger , Adolf Sicheneder , Fred Schuhmacher , Adolf Brill
发明人: Henry Giera , Torsten Pohl , Uwe Hugger , Adolf Sicheneder , Fred Schuhmacher , Adolf Brill
IPC分类号: C07C20900
CPC分类号: C07C209/36 , C07C209/10 , C07C211/55 , C07C211/56
摘要: The present invention relates to the production of aminodiphenyl-amines resulting in good yields and high purity levels when aromatic amines are reacted with nitrohalobenzenes in the presence of a palladium catalyst and a base and the product thus obtained is subsequently hydrogenated with hydrogen.
摘要翻译: 本发明涉及氨基二苯基胺的制备,当芳族胺在钯催化剂和碱的存在下与硝基卤代苯反应时,得到良好的产率和高纯度水平,随后用氢氢化所得产物。
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公开(公告)号:US06274775B1
公开(公告)日:2001-08-14
申请号:US09707261
申请日:2000-11-06
申请人: Henry Giera , Michaela Meiers , Uwe Hugger
发明人: Henry Giera , Michaela Meiers , Uwe Hugger
IPC分类号: C07C20506
CPC分类号: C07C201/00 , C07C207/04 , C07C207/02
摘要: The invention relates to a process for the preparation of nitrosobenzene from aromatic amines by oxidation with hydrogen peroxide in the presence of a catalyst based on compounds of tungsten and/or molybdenum without the addition of the organic solvents conventionally used.
摘要翻译: 本发明涉及一种通过在基于钨和/或钼的化合物的催化剂的存在下用过氧化氢氧化从芳族胺制备亚硝基苯的方法,而不添加常规使用的有机溶剂。
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