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公开(公告)号:US20180230099A1
公开(公告)日:2018-08-16
申请号:US15574051
申请日:2016-05-27
发明人: Chunming Zhang , Arvind Jaganathan , Heqi Pan , Philip Fontaine , Jerzy Klosin
IPC分类号: C07D209/86 , C07F7/08 , C07D209/88
CPC分类号: C07D209/86 , C07D209/88 , C07F7/083
摘要: A process for preparing one or more carbazoles comprising (a) contacting one or more compounds represented by formula (1) below with diboron reagents in the presence of PdCl2(dppf) to form one or more 2,2′-dichlorobiaryl represented by formula (2) below; and (b) contacting the one or more 2,2′-dichlorobiaryls with one or more H2N—Y compounds, in the presence of one or more palladium containing catalytic components; thereby forming one or more carbazoles represented by formula (3) below is provided.
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公开(公告)号:US10167301B2
公开(公告)日:2019-01-01
申请号:US15575083
申请日:2016-05-25
发明人: Chunming Zhang , Heqi Pan , Jerzy Klosin , Philip Fontaine , David Wilson
IPC分类号: C07F7/12
摘要: The instant invention provides a process for the preparation of bis(chloromethyl)dichlorosilane (BCMCS) or bis(chloromethyl) (aryl)chlorosilane (BCMACS) comprising reacting bis(chloromethyl) diphenylsilane and one or more chloride compounds in the presence of a Lewis acid in an inert solvent and under an inert atmosphere.
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公开(公告)号:US10246415B2
公开(公告)日:2019-04-02
申请号:US15574051
申请日:2016-05-27
发明人: Chunming Zhang , Arvind Jaganathan , Heqi Pan , Philip Fontaine , Jerzy Klosin
IPC分类号: C07D209/86 , C07D209/88 , C07F7/08
摘要: A process for preparing one or more carbazoles comprising (a) contacting one or more compounds represented by formula (1) below with diboron reagents in the presence of PdCl2(dppf) to form one or more 2,2′-dichlorobiaryl represented by formula (2) below; and (b) contacting the one or more 2,2′-dichlorobiaryls with one or more H2N—Y compounds, in the presence of one or more palladium containing catalytic components; thereby forming one or more carbazoles represented by formula (3) below is provided.
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4.
公开(公告)号:US20180155369A1
公开(公告)日:2018-06-07
申请号:US15575083
申请日:2016-05-25
发明人: Chunming Zhang , Heqi Pan , Jerzy Klosin , Philip Fontaine , David Wilson
IPC分类号: C07F7/12
CPC分类号: C07F7/123
摘要: The instant invention provides a process for the preparation of bis(chloromethyl)dichlorosilane (BCMCS) or bis(chloromethyl) (aryl)chlorosilane (BCMACS) comprising reacting bis(chloromethyl) diphenylsilane and one or more chloride compounds in the presence of a Lewis acid in an inert solvent and under an inert atmosphere.
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