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.
根据本发明的一种1,1,1,5,5,5-六氟乙酰乙酮水合物的生产方法,包括以下步骤:步骤1:通过将3,3,3-三氟丙炔基金属与三氟乙酸酯反应,获得至少含有1,1,1,5,5,5-六氟-3-戊炔-2-酮或其等效物的反应混合物;步骤2:在酸的存在下,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乙酮水合物。通过该水合物的脱水,可以得到1,1,1,5,5,5-六氟乙酰乙酮。因此,本发明的生产方法具有工业应用价值。