申请人:Jong Jeng Shean
公开号:US20050283031A1
公开(公告)日:2005-12-22
A method for the preparation of α,α,α′,α′-tetrafluoro-p-xylene is disclosed. α,α,α′,α′-tetrachloro-p-xylene and KF and a small amount of phase transfer catalyst are dissolved in solvent, xylene, and undergo a recycle reaction for 48 hours, after which 60% of the product is obtained.
本发明揭示了一种制备α,α,α',α'-四氟-p-二甲苯的方法。将α,α,α',α'-四氯-p-二甲苯和KF和少量相转移催化剂溶解在溶剂二甲苯中,经过48小时的循环反应后,可获得产品的60%。