Title:
【発明の名称】1,1,1,3,3‐ペンタフルオロプロパンの製造方法,及び1,1,1,3,3‐ペンタフルオロ‐2,3‐ジクロロプロパンの製造方法
Document Type and Number:
Japanese Patent JP3248184
Kind Code:
B2
Abstract:
A method of producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane characteriized by fluorinating a halogenated propene indicated by the general formula I: (provided that in the general formula, X and Y are respectively Cl or F) with hydrogen fluoride in the presence of antimony trihalogenide and/or antimony pentahalogenide in a liquid phase, wherein the hydrogen fluoride is present in the reaction system in a mole ratio of or over five times that of antimony trihalogenide and/or antimony pentahalogenide. This process can provide the desired product at low cost in high yields on an industrial scale.
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Inventors:
Seiji Takubo
Hirokazu Aoyama
Tatsuo Nakata
Hirokazu Aoyama
Tatsuo Nakata
Application Number:
JP51501194A
Publication Date:
January 21, 2002
Filing Date:
December 24, 1993
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
C07C17/25; B01J27/08; C07B61/00; C07C17/00; C07C17/04; C07C17/08; C07C17/20; C07C17/21; C07C17/23; C07C19/08; C07C19/10; C07C19/12; C07C21/04; (IPC1-7): C07C19/08; B01J23/40; B01J27/08; B01J31/02; C07C17/00; C07C17/20; C07C17/35
Domestic Patent References:
| JP2204443A |
Attorney, Agent or Firm:
Hiroshi Osaka