申请人:CENTRAL GLASS COMPANY, LIMITED
公开号:US20160075626A1
公开(公告)日:2016-03-17
A production method of a 1,1,1,5,5,5-hexafluoroacetylacetone hydrate according to the present invention includes: step 1: step 1: obtaining a reaction mixture that contains at least 1,1,1,5,5,5-hexafluoro-3-pentyn-2-one or an equivalent thereof by reaction of a 3,3,3-trifluoropropynyl metal with a trifluoroacetate; and step 2: forming the 1,1,1,5,5,5-hexafluoroacetylacetone hydrate by contact of the reaction mixture obtained in the step 1 with water in the presence of an acid. It is possible to produce 1,1,1,5,5,5-hexafluoroacetylacetone by dehydration of the thus-formed hydrate. Thus, the production method according to the present invention is industrially applicable.
根据本发明,一种制备1,1,1,5,5,5-
六氟乙酰丙酮水合物的生产方法包括:步骤1:获得包含至少1,1,1,5,5,5-六
氟-3-戊炔-2-酮或其等效物的反应混合物,通过3,3,3-三
氟丙炔基
金属与
三氟乙酸酯反应得到;步骤2:在存在酸的情况下,将步骤1中获得的反应混合物与
水接触,形成1,1,1,5,5,5-
六氟乙酰丙酮水合物。通过脱
水可制备1,1,1,5,5,5-
六氟乙酰丙酮。因此,根据本发明的生产方法具有工业应用价值。