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1.发明公开Preparation of alkanesulfonamides with low residual ammonium impurities 失效Herstellung von Alkansulfonamiden mit niedrigen Ammonium-Restverunreinigungen
公开(公告)号：EP0761646A1
公开(公告)日：1997-03-12
申请号：EP96112675.2
申请日：1996-08-06
Applicant: ELF ATOCHEM NORTH AMERICA, INC.
Inventor： Smith, Gary S. , Cordova, Robert , Overgaard, Thomas H. , Budrick, Marc T.
IPC: C07C303/44 , C07C303/38 , C07C311/03
CPC classification number: C07C303/44 , C07C311/03
Abstract: A method is disclosed for the preparation of alkanesulfonamide containing low amounts of ammonium or alkylammonium-salt impurities wherein alkanesulfonamide is treated with a base to convert ammonium or alkylammonium-salt impurities to their corresponding base salts and to liberate neutral amine or ammonia.
Abstract translation: 一种制备方法 的烷烃磺酰胺 减少了 的铵盐杂质包括在无水条件下用足够的碱处理不纯的烷基磺酰胺，将所有的铵或烷基铵盐转化为相应的碱式盐，并从反应中释放出中性胺或氨。 碱选自碱金属和碱土金属碱，季铵和鏻碱，以及合成聚合物树脂。 基本gps。
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2.发明授权Preparation of alkanesulfonamides with low residual ammonium impurities 失效具有低铵残余杂质alkanesulfonamides的制备
公开(公告)号：EP0761646B1
公开(公告)日：1999-10-27
申请号：EP96112675.2
申请日：1996-08-06
Applicant: ELF ATOCHEM NORTH AMERICA, INC.
Inventor： Smith, Gary S. , Cordova, Robert , Overgaard, Thomas H. , Budrick, Marc T.
IPC: C07C303/44 , C07C303/38 , C07C311/03
CPC classification number: C07C303/44 , C07C311/03
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