KR860001042A - 헤미아세탈로부터 플루오랄 및 헥사플루오로아세톤의 순수한 히드레이트를 제조하는 방법 - Google Patents
헤미아세탈로부터 플루오랄 및 헥사플루오로아세톤의 순수한 히드레이트를 제조하는 방법 Download PDFInfo
- Publication number
- KR860001042A KR860001042A KR1019850005128A KR850005128A KR860001042A KR 860001042 A KR860001042 A KR 860001042A KR 1019850005128 A KR1019850005128 A KR 1019850005128A KR 850005128 A KR850005128 A KR 850005128A KR 860001042 A KR860001042 A KR 860001042A
- Authority
- KR
- South Korea
- Prior art keywords
- hemiacetal
- water
- column
- pure
- fluoral
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/30—Compounds having groups
- C07C43/317—Compounds having groups having groups, X being hydrogen or metal
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/34—Halogenated alcohols
- C07C31/42—Polyhydroxylic acyclic alcohols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by elimination of -OH groups, e.g. by dehydration
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/34—Halogenated alcohols
- C07C31/38—Halogenated alcohols containing only fluorine as halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/28—Preparation of ethers by reactions not forming ether-oxygen bonds from acetals, e.g. by dealcoholysis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/48—Preparation of compounds having groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (7)
- 하기식의 순수한 메틸 또는 에틸헤미아세탈과 물을 증류탑에서 반응시키고, 생성된 메탄올과 에탄올을 탑의 꼭대기에서 증류시키고 순수한 플루오랄(R=H) 또는 헥사플루오로아세톤(R=CH3)의 히드레이트를 탑의 바닥에서 회수함을 특징으로 하는 순수한 플루오랄과 헥사플루오로아세톤의 히드레이트를 제조하는 방법.(식중에서, R은 수소원자 또는 트리플루오로메틸라디칼이다)
- 제1항에 있어서, 헤미아세탈과 물을 증류탑의 비등기에 도입하여 공정을 비연속적으로 수행하는 방법.
- 제1항에 있어서, 상기 비등기의 플레이트의 한쪽에 물을 도입하고 비등기와 물이 도입되는 플레이트사이에 헤미아세탈을 도입하여 공정을 플레이트 탑에서 연속적으로 수행하는 방법.
- 제1항 내지 제3항중의 어느 한 항에 있어서, 물과 헤미아세탈을 물/헤미아세탈 몰비가 1.5 내지 3 바람직하기로는 대략 2로 도입시킴을 특징으로 하는 방법.
- 제1항 내지 제4항중의 어느 한 항에 있어서, 대기압에서 95 내지 115℃의 온도로 바람직하기로는 100 내지 110℃온도에서 공정을 수행하는 방법.
- 제1항 내지 제5항중의 어느 한 항에 있어서, 불소산이 이미 제거된 클로랄 또는 헥사클로로아세톤을 접촉 플루오르화 반응시켜 발생한 기체를 저온의 순수한 메탄올 또는 에탄올, 절대 또는 아조트로프, 중에서 흡수하여 대기압 또는 감압하에서 증류시켜 얻은 헤미아세탈을 사용함을 특징으로 하는 방법.
- 제1항 내지 제6항중의 어느 한 항에 있어서, 증류탑의 꼭대기에서 얻은 메탄올 또는 에탄올을 플루오르화 반응으로 발생한 기체를 흡수하는데 사용함을 특징으로 하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR11384 | 1984-07-18 | ||
FR8411384 | 1984-07-18 | ||
FR8411384A FR2567876B1 (fr) | 1984-07-18 | 1984-07-18 | Procede de preparation des hydrates de fluoral et d'hexafluoroacetone purs a partir d'hemiacetals |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860001042A true KR860001042A (ko) | 1986-02-22 |
KR890005062B1 KR890005062B1 (ko) | 1989-12-09 |
Family
ID=9306240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850005128A KR890005062B1 (ko) | 1984-07-18 | 1985-07-18 | 헤미아세탈로부터 플루오랄 및 헥사플루오로아세톤의 순수한 히드레이트를 제조하는 방법 |
Country Status (15)
Country | Link |
---|---|
US (1) | US4642386A (ko) |
EP (1) | EP0172761B1 (ko) |
JP (1) | JPS6137748A (ko) |
KR (1) | KR890005062B1 (ko) |
AT (1) | ATE34563T1 (ko) |
AU (1) | AU576601B2 (ko) |
CA (1) | CA1236117A (ko) |
DE (1) | DE3562902D1 (ko) |
DK (1) | DK324685A (ko) |
ES (1) | ES8608470A1 (ko) |
FR (1) | FR2567876B1 (ko) |
GR (1) | GR851772B (ko) |
IL (1) | IL75576A0 (ko) |
NO (1) | NO161173C (ko) |
ZA (1) | ZA855395B (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2580630B1 (fr) * | 1985-04-23 | 1987-05-29 | Atochem | Procede de synthese du trifluoro-2,2,2 ethanol |
JP4869625B2 (ja) * | 2005-05-12 | 2012-02-08 | 東ソ−・エフテック株式会社 | トリフルオロアセトアルデヒドヘミアセタールの回収方法 |
JP5585291B2 (ja) * | 2010-08-12 | 2014-09-10 | セントラル硝子株式会社 | ヘキサフルオロアセトン一水和物の製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2681370A (en) * | 1954-06-15 | Perfluoroalkylaldehyde | ||
US2579021A (en) * | 1946-07-10 | 1951-12-18 | Shell Dev | Production of chlorinated acetalde-hydes and their acetal derivatives |
US2616929A (en) * | 1947-09-04 | 1952-11-04 | Montrose Chemical Company | Process of manufacturing chloral |
US2848500A (en) * | 1957-01-28 | 1958-08-19 | Du Pont | Preparation of purified formaldehyde |
US3492358A (en) * | 1968-04-10 | 1970-01-27 | Dow Chemical Co | Purification of ethers |
JPS5781433A (en) * | 1980-11-11 | 1982-05-21 | Central Glass Co Ltd | Purification of hexafluoroacetone |
JPS6041647B2 (ja) * | 1980-11-11 | 1985-09-18 | セントラル硝子株式会社 | 1,1,1,3,3,3−ヘキサフルオロプロパン−2−オ−ルの製法 |
GB8334566D0 (en) * | 1983-12-29 | 1984-02-01 | Ici Plc | Chemical process |
FR2567875B1 (fr) * | 1984-07-18 | 1986-08-08 | Atochem | Procede de synthese du trifluoro-2,2,2 ethanol et de l'alcool hexafluoro-1,1,1,3,3,3 isopropylique |
-
1984
- 1984-07-18 FR FR8411384A patent/FR2567876B1/fr not_active Expired
-
1985
- 1985-06-19 IL IL75576A patent/IL75576A0/xx not_active IP Right Cessation
- 1985-07-10 NO NO852775A patent/NO161173C/no unknown
- 1985-07-12 AT AT85401423T patent/ATE34563T1/de not_active IP Right Cessation
- 1985-07-12 DE DE8585401423T patent/DE3562902D1/de not_active Expired
- 1985-07-12 ES ES545150A patent/ES8608470A1/es not_active Expired
- 1985-07-12 EP EP85401423A patent/EP0172761B1/fr not_active Expired
- 1985-07-16 AU AU45041/85A patent/AU576601B2/en not_active Ceased
- 1985-07-16 US US06/755,702 patent/US4642386A/en not_active Expired - Fee Related
- 1985-07-17 DK DK324685A patent/DK324685A/da not_active Application Discontinuation
- 1985-07-17 ZA ZA855395A patent/ZA855395B/xx unknown
- 1985-07-17 CA CA000486925A patent/CA1236117A/fr not_active Expired
- 1985-07-17 GR GR851772A patent/GR851772B/el unknown
- 1985-07-18 KR KR1019850005128A patent/KR890005062B1/ko not_active IP Right Cessation
- 1985-07-18 JP JP15923085A patent/JPS6137748A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0172761A1 (fr) | 1986-02-26 |
KR890005062B1 (ko) | 1989-12-09 |
ES545150A0 (es) | 1986-06-16 |
DK324685D0 (da) | 1985-07-17 |
ES8608470A1 (es) | 1986-06-16 |
ZA855395B (en) | 1986-03-26 |
EP0172761B1 (fr) | 1988-05-25 |
JPS6137748A (ja) | 1986-02-22 |
IL75576A0 (en) | 1985-10-31 |
AU576601B2 (en) | 1988-09-01 |
JPS6319494B2 (ko) | 1988-04-22 |
ATE34563T1 (de) | 1988-06-15 |
US4642386A (en) | 1987-02-10 |
AU4504185A (en) | 1986-01-23 |
GR851772B (ko) | 1985-11-26 |
NO852775L (no) | 1986-01-20 |
FR2567876B1 (fr) | 1986-11-28 |
DK324685A (da) | 1986-01-19 |
FR2567876A1 (fr) | 1986-01-24 |
NO161173B (no) | 1989-04-03 |
DE3562902D1 (en) | 1988-06-30 |
NO161173C (no) | 1989-07-12 |
CA1236117A (fr) | 1988-05-03 |
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Payment date: 19921126 Year of fee payment: 4 |
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