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公开(公告)号:US20110190510A1
公开(公告)日:2011-08-04
申请号:US13121973
申请日:2009-09-28
申请人: Martin Sukopp , Alexander Korte , Stefan Fülster , Michael Keil , Michael Rack
发明人: Martin Sukopp , Alexander Korte , Stefan Fülster , Michael Keil , Michael Rack
IPC分类号: C07D231/44 , C07C313/04 , B01D3/36
CPC分类号: C07D231/44 , C07C313/04
摘要: The invention relates to a process for purifying trifluoromethanesulfinic acid by azeotropic distillation with an aromatic solvent, to processes for preparing purified trifluoromethanesulfinic acid and to the use of the purified trifluoronnethanesulfinic acid for preparing trifluoromethylsulfinylated pyrazole derivatives, especially fipronil.
摘要翻译: 本发明涉及一种通过与芳族溶剂共沸蒸馏纯化三氟甲磺酸的方法,以及用于制备纯化的三氟甲磺酸的方法,以及使用纯化的三氟甲磺酰亚胺制备三氟甲基亚硫酰化的吡唑衍生物,特别是氟虫腈。
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公开(公告)号:US08354007B2
公开(公告)日:2013-01-15
申请号:US13121973
申请日:2009-09-28
申请人: Martin Sukopp , Alexander Korte , Stefan Fülster , Michael Keil , Michael Rack
发明人: Martin Sukopp , Alexander Korte , Stefan Fülster , Michael Keil , Michael Rack
IPC分类号: B01D3/36 , C07D231/10 , C07C313/02
CPC分类号: C07D231/44 , C07C313/04
摘要: The invention relates to a process for purifying trifluoromethanesulfinic acid by azeotropic distillation with an aromatic solvent, to processes for preparing purified trifluoromethanesulfinic acid and to the use of the purified trifluoronnethanesulfinic acid for preparing trifluoromethylsulfinylated pyrazole derivatives, especially fipronil.
摘要翻译: 本发明涉及一种通过与芳族溶剂共沸蒸馏纯化三氟甲磺酸的方法,以及用于制备纯化的三氟甲磺酸的方法,以及使用纯化的三氟甲磺酰亚胺制备三氟甲基亚硫酰化的吡唑衍生物,特别是氟虫腈。
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