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公开(公告)号:US20210261536A1
公开(公告)日:2021-08-26
申请号:US16306180
申请日:2017-05-26
Applicant: Bayer CropScience Aktiengesellschaft
Inventor: Stefan ANTONS , Martin LITTMANN , Joerg SCHULZ , Wahed Ahmed MORADI , Thomas GELLER
IPC: C07D417/06
Abstract: The present invention relates to a process for producing compounds of formula (I) in which R1, A, X and Z are as defined in the description by reaction of compounds of formula (II) or salts thereof with 2-chloro-5-chloromethylpyridine in a nonpolar aliphatic or aromatic solvent, preferably in the presence of a phase transfer catalyst.
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公开(公告)号:US20200039936A1
公开(公告)日:2020-02-06
申请号:US16471144
申请日:2017-12-18
Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
Inventor: Wahed Ahmed MORADI , Thomas HIMMLER , Thomas Norbert MUELLER
IPC: C07D213/26 , C07D213/40
Abstract: The present invention relates to a novel catalytic hydrogenation of substituted 2-methyl cyanopyridyl derivatives, in particular 3-chloro-5-(trifluoromethyl)pyridin-2-yl]acetonitrile [=Py-CN] to substituted 2-ethylaminopyridine derivatives, in particular 2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]ethanamine [=Py-ethanamine] or salts thereof in the presence of Raney catalysts, in particular Raney nickel or cobalt.
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公开(公告)号:US20170081284A1
公开(公告)日:2017-03-23
申请号:US15126593
申请日:2015-03-18
Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
Inventor: Wahed Ahmed MORADI , Guenter SCHLEGEL , Albert SCHNATTERER
IPC: C07D213/38
CPC classification number: C07D213/38 , C07D213/61
Abstract: A process for preparing N-[(6-chloropyridin-3-yl)methyl]-2,2-difluoroethan-1-amine of formula (III) wherein 2,2-difluoroethylamine of formula (I) is reacted with a halide of formula (II) in the presence of a hydroxide of an alkali metal or alkaline earth metal.
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公开(公告)号:US20200039937A1
公开(公告)日:2020-02-06
申请号:US16471132
申请日:2017-12-12
Applicant: Bayer CropScience Aktiengesellschaft
Inventor: Wahed Ahmed MORADI , Albert SCHNATTERER , Dietmar BIELEFELDT , Rolf GERTZMANN , Dirk HAVEKOST
IPC: C07D213/61
Abstract: Described is a process for the preparation of a N-[2-(2-pyridinyl)ethyl]carboxamide derivative of general formula (I) or a salt thereof
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5.
公开(公告)号:US20180297952A1
公开(公告)日:2018-10-18
申请号:US15569528
申请日:2016-04-26
Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
Inventor: Wahed Ahmed MORADI , Günter SCHLEGEL , Albert SCHNATTERER , Frank VOLZ
IPC: C07D213/61 , C07D213/40
Abstract: The present invention relates to novel processes for the preparation of substituted pyridyl-methylbenzamide derivatives of formula (I), in particular 2,6-dichloro-N-{[3-chloro-5-(trifluoromethyl)-2-pyridyl]methyl}benzamide (Fluopicolide), and for the catalytic hydrogenation of substituted cyanopyridine derivatives, in particular 3-chloro-2-cyano-5-trifluoromethylpyridine [=Py-CN] to the corresponding substituted 2-methylaminopyridine derivatives, in particular 2-aminomethyl-3-chloro-5-trifluoromethylpyridine [=Py-methylamine] or salts thereof in the presence of metal catalysts such as in particular palladium catalysts, catalytic modifiers and acids.
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公开(公告)号:US20160280648A1
公开(公告)日:2016-09-29
申请号:US15033987
申请日:2014-11-11
Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
Inventor: Wahed Ahmed MORADI , Thomas HIMMLER , Thomas Norbert MUELLER , Albert SCHNATTERER , Guenter SCHLEGEL
IPC: C07D213/56
CPC classification number: C07D213/56 , C07D213/38 , C07D213/57 , C07D213/89
Abstract: The present invention relates to a novel catalytic hydrogenation of substituted 2-methyl cyanopyridyl derivatives, in particular 3-chloro-5-(trifluorometyl)pyridin-2-yl]acetonitrile [=Py-CN] to substituted 2-ethylaminopyridine derivatives, in particular 2-[3-chloro-5-(trifluorometyl)pyridin-2-yl]ethanamine [=Py-ethanamine] or salts thereof in the presence of metal catalysts, in particular palladium catalysts.
Abstract translation: 本发明涉及取代的2-甲基氰基吡啶衍生物,特别是3-氯-5-(三氟甲基)吡啶-2-基]乙腈[= Py-CN]到取代的2-乙基氨基吡啶衍生物的催化氢化,特别是 2- [3-氯-5-(三氟甲基)吡啶-2-基]乙胺[= Py-乙胺]或其盐在金属催化剂,特别是钯催化剂存在下。
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