申请人:Central Glass Company, Limited
公开号:US09409843B2
公开(公告)日:2016-08-09
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.
本发明提供的一种1,1,1,5,5,5-六
氟乙酰乙酮
水合物的生产方法包括:步骤1:通过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。可以通过脱
水从形成的
水合物中生产1,1,1,5,5,5-六
氟乙酰乙酮。因此,本发明提供的生产方法在工业上是适用的。