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公开(公告)号:US08563748B2
公开(公告)日:2013-10-22
申请号:US13825252
申请日:2011-09-20
申请人: Alexander Korte , Michael Puhl , Marco Coppola
发明人: Alexander Korte , Michael Puhl , Marco Coppola
IPC分类号: C07D231/22
CPC分类号: C07D231/22
摘要: The present invention relates to a process for the preparation of a ring-substituted N-phenylhydroxylamine by reduction of the correspondingly substituted nitrobenzene compound, wherein the reduction is carried out by reacting the substituted nitrobenzene compound with hydrazine in the presence of a ruthenium catalyst.
摘要翻译: 本发明涉及通过还原相应的取代的硝基苯化合物制备环取代的N-苯基羟胺的方法,其中通过在钌催化剂存在下使取代的硝基苯化合物与肼反应来进行还原。
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12.
公开(公告)号:US20120215008A1
公开(公告)日:2012-08-23
申请号:US13504574
申请日:2010-10-26
申请人: Alexander Korte , Paul Hornung
发明人: Alexander Korte , Paul Hornung
IPC分类号: C07D231/44
CPC分类号: C07D231/44
摘要: The present invention relates to a novel process for the preparation of a compound of formula (I), wherein R1, R2, R3, R4 and R5 are each independently selected from hydrogen, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, nitro, cyano, and pentafluorothio; R6 is C1-C4-alkyl, or C1-C4-haloalkyl; by oxidation of a compound of formula (II) with an oxidation agent selected from trifluoroperacetic acid and trichloroperacetic acid in the presence of a catalyst selected from hydroxides, oxides, sulfates, acetates or trifluoroacetates of lithium, magnesium, calcium, strontium, barium, titanium (IV), zinc (II) and manganese (II).
摘要翻译: 本发明涉及一种制备式(I)化合物的新方法,其中R 1,R 2,R 3,R 4和R 5各自独立地选自氢,卤素,C 1 -C 4 - 烷基,C 1 -C 4 - 卤代烷基 ,C 1 -C 4 - 烷氧基,C 1 -C 4卤代烷氧基,硝基,氰基和五氟硫基; R6是C1-C4-烷基或C1-C4卤代烷基; 通过在选自三氟乙酸和三氯过乙酸的氧化剂中,在选自锂,镁,钙,锶,钡,钛的氢氧化物,氧化物,硫酸盐,乙酸盐或三氟乙酸盐的催化剂存在下,使式(Ⅱ)化合物氧化 (IV),锌(II)和锰(II)。
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公开(公告)号:US20110319665A1
公开(公告)日:2011-12-29
申请号:US13254946
申请日:2010-03-08
申请人: Alexander Korte , Jan Klaas Lohmann , Thomas Grote , Klaus Ebel , Thomas Zierke , Horst Mayer , Ralf Wazulek
发明人: Alexander Korte , Jan Klaas Lohmann , Thomas Grote , Klaus Ebel , Thomas Zierke , Horst Mayer , Ralf Wazulek
IPC分类号: C07C205/06 , C07C211/52
CPC分类号: C07C205/11 , C07C205/09 , C07C205/10 , C07C2601/16
摘要: The present invention relates to a process for preparing substituted 2-nitrobiphenyls and to specific 2-nitrobiphenyls. The invention further relates to a process for preparing 2-aminobiphenyls from such 2-nitrobiphenyls and to a process for preparing (het)arylamides of such 2-aminobiphenyls.
摘要翻译: 本发明涉及制备取代的2-硝基联苯和特定2-硝基联苯的方法。 本发明还涉及从这种2-硝基联苯制备2-氨基联苯的方法和制备这种2-氨基联苯的(het)芳基酰胺的方法。
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14.
公开(公告)号:US20110295022A1
公开(公告)日:2011-12-01
申请号:US13147704
申请日:2010-02-01
IPC分类号: C07D311/76 , C07C231/02 , C07C227/18
CPC分类号: C07C249/12 , C07C251/48
摘要: The present invention relates to a process for producing 2-halogenomethylphenyl acetic acid derivatives.
摘要翻译: 本发明涉及一种2-卤代甲基苯基乙酸衍生物的制备方法。
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