申请人:Asahi Glass Company Ltd.
公开号:US05264639A1
公开(公告)日:1993-11-23
A process for producing a 2,2-difluoropropane of the following formula (2), which comprises fluorinating a chlorine-containing 2,2-halogenopropane of the following formula (1) by hydrogen fluoride or a fluorinating agent: C.sub.3 H.sub.a Cl.sub.b F.sub.c (1) C.sub.3 H.sub.a Cl.sub.b-x F.sub.c+x (2) wherein a, b, c and x are integers satisfying the following conditions: a.gtoreq.0, b.gtoreq.1, c.gtoreq.0, x.gtoreq.1, a+b+c=8.
生产以下公式(2)的2,2-二氟丙烷的方法,包括通过氢氟酸或氟化剂氟化以下公式(1)的含氯2,2-卤代丙烷:C.sub.3 H.sub.a Cl.sub.b F.sub.c (1) C.sub.3 H.sub.a Cl.sub.b-x F.sub.c+x (2) 其中a,b,c和x是满足以下条件的整数:a≥0,b≥1,c≥0,x≥1,a+b+c=8。