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公开(公告)号:US5719294A
公开(公告)日:1998-02-17
申请号:US747851
申请日:1996-11-13
IPC分类号: C07D209/48
CPC分类号: C07D209/48
摘要: The preparation of N-cyclohexylthiophthalimide from cyclohexylsulphenyl chloride and phthalimide can be reproduced more reliably if the cyclohexylsulphenyl chloride is prepared in sire by chlorinating dicyclohexyl disulphide.
摘要翻译: 如果通过氯化二环己基二硫化物制备环己基亚磺酰氯,则可以更可靠地再现环己基亚磺酰氯和邻苯二甲酰亚胺的N-环己基硫代邻苯二甲酰亚胺的制备。
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公开(公告)号:US5286870A
公开(公告)日:1994-02-15
申请号:US931205
申请日:1992-08-17
申请人: Adolf Sicheneder , Harro Schlesmann
发明人: Adolf Sicheneder , Harro Schlesmann
IPC分类号: C07D277/80 , C08K5/47 , C07D417/12
CPC分类号: C07D277/80 , C08K5/47
摘要: Bis-benzthiazolyl alkyl sulfenimides are produced by a process in which alkyl amines are reacted with optionally substituted 2-mercaptobenzthiazoles in the presence of oxygen or oxygen-containing gases and copper and/or copper compounds and in the presence of inert organic solvents.
摘要翻译: 在惰性有机溶剂存在下,使烷基胺与任选取代的2-巯基苯并噻唑在含氧气体或含氧气体和铜和/或铜化合物的存在下反应来制备双苯并噻唑基烷基苯胺。
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公开(公告)号:US06248896B1
公开(公告)日:2001-06-19
申请号:US09627271
申请日:2000-07-28
IPC分类号: C07D41712
CPC分类号: C07D277/78
摘要: The invention relates to a new process for the preparation of dithiazolyl-(2,2′)-disulfides by oxidation of 2-mercaptothiazoles, to the dithiazolyl-(2,2′)-disulfides that can be obtained in this way, and to the use thereof.
摘要翻译: 本发明涉及通过2-巯基噻唑的氧化制备二噻唑基 - (2,2') - 二硫化物的新方法,可以以这种方式获得的二噻唑基 - (2,2') - 二硫化物,以及 其使用。
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公开(公告)号:US6124467A
公开(公告)日:2000-09-26
申请号:US453971
申请日:1999-12-03
IPC分类号: C07D277/20 , C07D277/36 , C07D277/70 , C07D277/78 , C07D417/12
CPC分类号: C07D277/78
摘要: The invention relates to a new process for the preparation of dithiazolyl-(2,2')-disulfides by oxidation of 2-mercaptothiazoles, to the dithiazolyl-(2,2')-disulfides that can be obtained in this way, and to the use thereof.
摘要翻译: 本发明涉及通过2-巯基噻唑的氧化制备二噻唑基 - (2,2') - 二硫化物的新方法,可以以这种方式获得的二噻唑基 - (2,2') - 二硫化物,以及 其使用。
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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:US06815562B2
公开(公告)日:2004-11-09
申请号:US10751311
申请日:2004-01-02
申请人: Klaus Kunz , Joachim Haider , Dirk Ganzer , Ulrich Scholz , Adolf Sicheneder
发明人: Klaus Kunz , Joachim Haider , Dirk Ganzer , Ulrich Scholz , Adolf Sicheneder
IPC分类号: C07C20910
CPC分类号: C07C209/36 , B01J31/1805 , B01J2531/16 , C07C209/10 , C07C211/55
摘要: The present invention relates to a process for the preparation of nitrodiphenylamines by reaction of nitrohalogens with anilines, a base and a catalyst, and to a process for the preparation of aminodiphenylamine by hydrogenation of the nitrodiphenylamine intermediately prepared.
摘要翻译: 本发明涉及通过硝基卤素与苯胺,碱和催化剂的反应制备硝基二苯胺的方法,以及通过中间制备的硝基二苯胺的氢化制备氨基二苯胺的方法。
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公开(公告)号:US06235937B1
公开(公告)日:2001-05-22
申请号:US09652072
申请日:2000-08-31
申请人: Henry Giera , Walter Lange , Torsten Pohl , Adolf Sicheneder , Christoph Schild
发明人: Henry Giera , Walter Lange , Torsten Pohl , Adolf Sicheneder , Christoph Schild
IPC分类号: C07C20910
CPC分类号: B01J31/2452 , B01J31/0212 , B01J31/24 , B01J31/2404 , B01J31/2409 , B01J31/26 , B01J2231/4205 , B01J2531/0266 , B01J2531/824 , C07C209/10 , C07C211/56
摘要: The invention relates to a process for the preparation of nitrodiphenylamines by reaction of nitrohalogenobenzenes with aromatic amines in the presence of a palladium catalyst and a base, the base being ground and/or dried before its use.
摘要翻译: 本发明涉及通过在钯催化剂和碱的存在下将硝基卤代苯与芳族胺反应来制备硝基二苯胺的方法,碱在使用前进行研磨和/或干燥。
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公开(公告)号:US06946577B2
公开(公告)日:2005-09-20
申请号:US10751314
申请日:2004-01-02
申请人: Adolf Sicheneder , Ulrich Scholz , Joachim Haider
发明人: Adolf Sicheneder , Ulrich Scholz , Joachim Haider
IPC分类号: C07B61/00 , C07C209/10 , C07C209/36 , C07C211/55 , C07C211/56
CPC分类号: C07C209/36 , C07C209/10 , C07C211/55 , C07C211/56
摘要: The present invention relates to a process for the production of aminodiphenyl-amines, such as 4-aminodiphenylamine (4-ADPA), by reacting nitrohalogenated benzenes with anilines in the presence of a base as well as a copper-phosphorus complex, followed by hydrogenation of the intermediately formed nitrodiphenyl-amines.
摘要翻译: 本发明涉及通过在碱和铜 - 磷络合物的存在下将硝基卤代苯与苯胺反应,然后氢化生产氨基二苯基胺如4-氨基二苯胺(4-ADPA)的方法 的中间形成的硝基二苯基胺。
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公开(公告)号:US5276206A
公开(公告)日:1994-01-04
申请号:US61229
申请日:1993-05-17
申请人: Adolf Sicheneder , Bardo Becker
发明人: Adolf Sicheneder , Bardo Becker
IPC分类号: C07D277/62 , C07D277/72 , C07D209/02
CPC分类号: C07D277/62 , C07D277/72
摘要: 2-mercaptobenzothiazole and benzothiazole are prepared from dibenzothiazyl disulphide by reacting dibenzothiazyl disulphide in the presence of an alkali and/or alkaline earth hydroxide solution at temperatures from 40.degree. to 120.degree. C. until a constant pH value in the range from 8 to 10 has been reached, then treating the reaction mixture with an aqueous solution of mineral acids at temperatures from 10.degree. to 100.degree. C., and subsequently removing benzothiazole by distillation or extraction from the reaction mixture containing 2-mercaptobenzothiazole.
摘要翻译: 2-二甲基苯并噻唑和苯并噻唑由二苯并噻唑二硫化物通过在碱和/或碱土金属氢氧化物溶液存在下,在40至120℃的温度下,使二苯并噻唑二硫化物反应,直到8至10的恒定pH值为 然后在10℃至100℃的温度下用无机酸水溶液处理反应混合物,随后通过蒸馏或从含有2-巯基苯并噻唑的反应混合物中萃取除去苯并噻唑。
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