IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0464834
(1995-06-27)
|
우선권정보 |
JP-0165229 (1992-06-10); JP-0360964 (1992-12-29); JP-0360965 (1992-12-29) |
국제출원번호 |
PCT/JP93/01887
(1993-12-24)
|
§371/§102 date |
19950627
(19950627)
|
국제공개번호 |
WO-9414736
(1994-07-07)
|
발명자
/ 주소 |
- Takubo Seiji (Settsu JPX) Aoyama Hirokazu (Settsu JPX) Nakada Tatsuo (Settsu JPX)
|
출원인 / 주소 |
- Daikin Industries Ltd. (Osaka JPX 03)
|
인용정보 |
피인용 횟수 :
9 인용 특허 :
2 |
초록
▼
There are provided production methods of 1,1,1,3,3-pentafluoropropane characterized in that 1,1,1,3,3-pentafluoro-2,3-dichloropropane is reacted with hydrogen fluoride in the presence of a noble metal catalyst; of 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane characterized in that the halogenated
There are provided production methods of 1,1,1,3,3-pentafluoropropane characterized in that 1,1,1,3,3-pentafluoro-2,3-dichloropropane is reacted with hydrogen fluoride in the presence of a noble metal catalyst; of 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane characterized in that the halogenated propene indicated as general formula I is fluorinated in the presence of antimony trihalogenide and/or antimony pentahalogenide by hydrogen fluoride of mole ratio of or over five times the said antimony halogenide in a liquid phase; and of 1,1,1,2,3,3-hexaohloropropene characterized in that 1,1,1,2,2,3,3-heptachloropropane is reacted with an aqueous solution of alkali metal hydroxide in the presence of a phase transfer catalyst. Therefore, an industrial manufacturing method which is possible to obtain the objective product easily at low cost and high yield can be provided.
대표청구항
A method of producing 1,1,1,3,3-pentafluoropropane which comprises reacting gaseous 1,1,1,3,3-pentafluoro-2,3-dichloropropane with hydrogen in the presence of a noble metal catalyst.
A method of producing 1,1,1,3,3-pentafluoropropane which comprises reacting gaseous 1,1,1,3,3-pentafluoro-2,3-dichloropropane with hydrogen in the presence of a noble metal catalyst.
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