ZA855395B - Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals - Google Patents
Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetalsInfo
- Publication number
- ZA855395B ZA855395B ZA855395A ZA855395A ZA855395B ZA 855395 B ZA855395 B ZA 855395B ZA 855395 A ZA855395 A ZA 855395A ZA 855395 A ZA855395 A ZA 855395A ZA 855395 B ZA855395 B ZA 855395B
- Authority
- ZA
- South Africa
- Prior art keywords
- fluoral
- hexafluoroacetone
- hemiacetals
- preparation
- pure
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 (1)
| Publication Number | Publication Date |
|---|---|
| ZA855395B true ZA855395B (en) | 1986-03-26 |
Family
ID=9306240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA855395A ZA855395B (en) | 1984-07-18 | 1985-07-17 | Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4642386A (no) |
| EP (1) | EP0172761B1 (no) |
| JP (1) | JPS6137748A (no) |
| KR (1) | KR890005062B1 (no) |
| AT (1) | ATE34563T1 (no) |
| AU (1) | AU576601B2 (no) |
| CA (1) | CA1236117A (no) |
| DE (1) | DE3562902D1 (no) |
| DK (1) | DK324685A (no) |
| ES (1) | ES8608470A1 (no) |
| FR (1) | FR2567876B1 (no) |
| GR (1) | GR851772B (no) |
| IL (1) | IL75576A0 (no) |
| NO (1) | NO161173C (no) |
| ZA (1) | ZA855395B (no) |
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 EP EP85401423A patent/EP0172761B1/fr not_active Expired
- 1985-07-12 AT AT85401423T patent/ATE34563T1/de not_active IP Right Cessation
- 1985-07-12 ES ES545150A patent/ES8608470A1/es not_active Expired
- 1985-07-12 DE DE8585401423T patent/DE3562902D1/de 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 CA CA000486925A patent/CA1236117A/fr not_active Expired
- 1985-07-17 GR GR851772A patent/GR851772B/el unknown
- 1985-07-17 ZA ZA855395A patent/ZA855395B/xx unknown
- 1985-07-17 DK DK324685A patent/DK324685A/da not_active Application Discontinuation
- 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 |
|---|---|
| KR860001042A (ko) | 1986-02-22 |
| AU4504185A (en) | 1986-01-23 |
| ES8608470A1 (es) | 1986-06-16 |
| EP0172761A1 (fr) | 1986-02-26 |
| JPS6137748A (ja) | 1986-02-22 |
| NO161173B (no) | 1989-04-03 |
| IL75576A0 (en) | 1985-10-31 |
| CA1236117A (fr) | 1988-05-03 |
| AU576601B2 (en) | 1988-09-01 |
| DK324685A (da) | 1986-01-19 |
| FR2567876A1 (fr) | 1986-01-24 |
| ES545150A0 (es) | 1986-06-16 |
| DE3562902D1 (en) | 1988-06-30 |
| US4642386A (en) | 1987-02-10 |
| GR851772B (no) | 1985-11-26 |
| FR2567876B1 (fr) | 1986-11-28 |
| EP0172761B1 (fr) | 1988-05-25 |
| KR890005062B1 (ko) | 1989-12-09 |
| ATE34563T1 (de) | 1988-06-15 |
| NO852775L (no) | 1986-01-20 |
| DK324685D0 (da) | 1985-07-17 |
| NO161173C (no) | 1989-07-12 |
| JPS6319494B2 (no) | 1988-04-22 |
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