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1.
公开(公告)号:US20090171132A1
公开(公告)日:2009-07-02
申请号:US12219789
申请日:2008-07-29
申请人: Chun-Hsu Lin , Chac-Chou Tu , Chan-Yuan Ho , Chuan-Yu Chou , Wei-Hsiung Ou , Shieh-Jun Wang
发明人: Chun-Hsu Lin , Chac-Chou Tu , Chan-Yuan Ho , Chuan-Yu Chou , Wei-Hsiung Ou , Shieh-Jun Wang
IPC分类号: C07C17/093
CPC分类号: C07C17/38 , C07C17/208 , C07C25/13
摘要: A method for producing 1,4-bis(difluoromethyl)tetrafluorobenzene is disclosed, which has the following steps: (a) mixing 1,4-bis(dichloromethyl)tetrafluorobenzene, a catalyst, an aprotic polar solvent, and an alkali metal fluoride to form a reaction mixture; (b) heating the reaction mixture; and (c) purifying the resultant to obtain 1,4-bis(difluoromethyl)tetrafluorobenzene.
摘要翻译: 公开了1,4-双(二氟甲基)四氟苯的制备方法,其具有以下步骤:(a)将1,4-双(二氯甲基)四氟苯,催化剂,非质子极性溶剂和碱金属氟化物混合至 形成反应混合物; (b)加热反应混合物; 和(c)纯化所得物,得到1,4-双(二氟甲基)四氟苯。
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公开(公告)号:US07544846B1
公开(公告)日:2009-06-09
申请号:US12219789
申请日:2008-07-29
申请人: Chun-Hsu Lin , Chac-Chou Tu , Chan-Yuan Ho , Chuan-Yu Chou , Wei-Hsiung Ou , Shieh-Jun Wang
发明人: Chun-Hsu Lin , Chac-Chou Tu , Chan-Yuan Ho , Chuan-Yu Chou , Wei-Hsiung Ou , Shieh-Jun Wang
CPC分类号: C07C17/38 , C07C17/208 , C07C25/13
摘要: A method for producing 1,4-bis(difluoromethyl)tetrafluorobenzene is disclosed, which has the following steps: (a) mixing 1,4-bis(dichloromethyl)tetrafluorobenzene, a catalyst, an aprotic polar solvent, and an alkali metal fluoride to form a reaction mixture; (b) heating the reaction mixture; and (c) purifying the resultant to obtain 1,4-bis(difluoromethyl)tetrafluorobenzene.
摘要翻译: 公开了1,4-双(二氟甲基)四氟苯的制备方法,其具有以下步骤:(a)将1,4-双(二氯甲基)四氟苯,催化剂,非质子极性溶剂和碱金属氟化物混合至 形成反应混合物; (b)加热反应混合物; 和(c)纯化所得物,得到1,4-双(二氟甲基)四氟苯。
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