申请人:ASAHI GLASS COMPANY LIMITED
公开号:US20020107358A1
公开(公告)日:2002-08-08
The process for producing a vic-dichloro acid fluoride compound in a short process and in good yield from the starting material which is inexpensive and readily available is provided. (R
H1
—E
H1
—)CR
H2
R
H3
CH
2
—OCOR
HB
(I) is fluorinated in a liquid phase to form (CF
2
ClCFCl—EF
F1
—) CR
F2
R
F3
CF
2
—OCOR
FB
(II), and then, an ester bond of the compound (II) is decomposed to form (CF
2
ClCFCl—E
F1
—)CR
F2
R
F3
COF(III) or the compound (III) and FCOR
FB
(IV).
提供了一种从廉价且易得的起始材料中以短工艺和高产率生产vic-二氯酸氟化合物的过程。将化合物(RH1-EH1-)CRH2RH3CH2-OCORHB(I)在液相中氟化,形成(CF2ClCFCl-EFF1-)CRF2RF3CF2-OCORFB(II),然后分解化合物(II)的酯键,形成(CF2ClCFCl-EF1-)CRF2RF3COF(III)或化合物(III)和FCORFB(IV)。