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::: 技術移轉

專利名稱 Method for producing 1,4-bis(difluoromethyl)tetrafluorobenzene
專利證號 US7544846B1
國別 美國
獲證日期 2009-06-09
專利摘要 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.

IPC國際分類號

C07C002200 | C07C001720