发明授权
- 专利标题: Method for the preparation of biphephos
- 专利标题(中): 制备双磷的方法
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申请号: US13979548申请日: 2011-12-22
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公开(公告)号: US09127030B2公开(公告)日: 2015-09-08
- 发明人: Burkard Kreidler , Dirk Fridag , Bernhard Schemmer , Bjoern Wechsler , Andrea Christiansen , Doris Neumann
- 申请人: Burkard Kreidler , Dirk Fridag , Bernhard Schemmer , Bjoern Wechsler , Andrea Christiansen , Doris Neumann
- 申请人地址: DE Essen
- 专利权人: EVONIK DEGUSSA GmbH
- 当前专利权人: EVONIK DEGUSSA GmbH
- 当前专利权人地址: DE Essen
- 代理机构: Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权: DE102011002639 20110113
- 国际申请: PCT/EP2011/073762 WO 20111222
- 国际公布: WO2012/095253 WO 20120719
- 主分类号: C07F9/6571
- IPC分类号: C07F9/6571 ; C07F9/6574
摘要:
The invention relates to a process for producing 6,6′-[(3,3′-di-tert-butyl-5,5′-dimethoxy-1,1′-biphenyl-2,2′diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepine), abbreviated to biphephos (see formula 1), with low chlorine content.
公开/授权文献
- US20130324756A1 METHOD FOR THE PREPARATION OF BIPHEPHOS 公开/授权日:2013-12-05
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