ES8601833A1 - Un procedimiento catalitico continuo para preparar trifluoroadetaldehido - Google Patents
Un procedimiento catalitico continuo para preparar trifluoroadetaldehidoInfo
- Publication number
- ES8601833A1 ES8601833A1 ES538505A ES538505A ES8601833A1 ES 8601833 A1 ES8601833 A1 ES 8601833A1 ES 538505 A ES538505 A ES 538505A ES 538505 A ES538505 A ES 538505A ES 8601833 A1 ES8601833 A1 ES 8601833A1
- Authority
- ES
- Spain
- Prior art keywords
- trifluoroacetaldehyde
- molar ratio
- preparation
- acid
- alumina
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
UN PROCEDIMIENTO CATALITICO CONTINUO DE PREPARACION DE TRIFLUOROACETALDEHIDO.SE OBTIENE POR FLUORACION EN FASE GASEOSA DE TRICLOROACETALDEHIDO EN UNA SOLA ZONA DE REACCION ENTRE 230C Y 260C, SOBRE UN CATALIZADOR CONSTITUIDO POR UNA ALUMINA GAMMA IMPREGNADA CON CR2O3 EN UNA PROPORCION DE 1,5 A 4 ATOMOS DE CROMO/LITRO DE ALUMINA, Y ACTIVADA ENTRE 300C Y 400C POR MEDIO DE UNA MEZCLA DE ACIDO FLUORHIDRICO Y TRICLORO-1,1,2-TRIFLUORO-1,2,2-ETANO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8319914A FR2556339B1 (fr) | 1983-12-13 | 1983-12-13 | Procede catalytique de preparation de trifluoroacetaldehyde |
Publications (2)
Publication Number | Publication Date |
---|---|
ES538505A0 ES538505A0 (es) | 1985-11-01 |
ES8601833A1 true ES8601833A1 (es) | 1985-11-01 |
Family
ID=9295110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES538505A Expired ES8601833A1 (es) | 1983-12-13 | 1984-12-12 | Un procedimiento catalitico continuo para preparar trifluoroadetaldehido |
Country Status (8)
Country | Link |
---|---|
US (1) | US4579976A (es) |
EP (1) | EP0145596B1 (es) |
JP (1) | JPS60185741A (es) |
AU (1) | AU564901B2 (es) |
CA (1) | CA1213905A (es) |
DE (1) | DE3461175D1 (es) |
ES (1) | ES8601833A1 (es) |
FR (1) | FR2556339B1 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5227531A (en) * | 1986-10-31 | 1993-07-13 | Hoechst Aktiengesellschaft | Process for the preparation of fluorobenzaldehydes |
DE3637156C2 (de) * | 1986-10-31 | 1995-12-21 | Hoechst Ag | Verfahren zur Herstellung von Fluorbenzaldehyden |
JPH02223575A (ja) * | 1988-11-09 | 1990-09-05 | Kureha Chem Ind Co Ltd | モノクロルアセトアルデヒド三量体の製造方法 |
GB9110962D0 (en) * | 1991-05-21 | 1991-07-10 | Ici Plc | Process |
JPH0725807A (ja) * | 1993-07-15 | 1995-01-27 | Kureha Chem Ind Co Ltd | ジクロロアセトアルデヒド水和物をクロラールと併産する方法 |
FR2736050B1 (fr) | 1995-06-29 | 1997-08-01 | Atochem Elf Sa | Procede de fabrication du difluoromethane |
FR2748022B1 (fr) | 1996-04-29 | 1998-07-24 | Atochem Elf Sa | Procede de fabrication du difluoromethane |
US6313359B1 (en) * | 2000-07-17 | 2001-11-06 | Honeywell International Inc. | Method of making hydrofluorocarbons |
JP6886104B2 (ja) | 2016-12-29 | 2021-06-16 | セントラル硝子株式会社 | ハロゲン化α−フルオロエーテル類の製造方法 |
US10683252B2 (en) * | 2016-12-29 | 2020-06-16 | Central Glass Company, Limited | Production method for 1,2,2,2-tetrafluoroethyl difluoromethyl ether (desflurane) |
CN108341743A (zh) * | 2018-04-10 | 2018-07-31 | 湖北省宏源药业科技股份有限公司 | 一种气相催化氟化三氯乙醛制备三氟乙酸的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3017436A (en) * | 1956-11-28 | 1962-01-16 | Dow Chemical Co | Preparation of fluoral |
NL295962A (es) * | 1963-07-30 | |||
GB1036870A (en) * | 1964-07-08 | 1966-07-20 | Du Pont | Preparation of fluorinated perhaloaldehydes |
FR1452159A (fr) * | 1964-07-22 | 1966-02-25 | Hooker Chemical Corp | Procédé perfectionné de fluoruration des composés organiques |
FR2034536A1 (en) * | 1969-02-11 | 1970-12-11 | Academia Republ Roman A | Thiazolidinecarboxylic acid-4derivs |
DE1910529C3 (de) * | 1969-03-01 | 1978-09-28 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur katalytischen Hydrofluorierung von bestimmten gesattigten und ungesättigten halogenierten Kohlenwasserstoffen |
US3801645A (en) * | 1970-08-10 | 1974-04-02 | Dow Chemical Co | Chlorination of lower aliphatic aldehydes |
FR2135474B1 (es) * | 1971-05-06 | 1973-05-11 | Rhone Progil |
-
1983
- 1983-12-13 FR FR8319914A patent/FR2556339B1/fr not_active Expired
-
1984
- 1984-12-06 DE DE8484402516T patent/DE3461175D1/de not_active Expired
- 1984-12-06 EP EP84402516A patent/EP0145596B1/fr not_active Expired
- 1984-12-07 US US06/679,196 patent/US4579976A/en not_active Expired - Fee Related
- 1984-12-12 ES ES538505A patent/ES8601833A1/es not_active Expired
- 1984-12-12 CA CA000469889A patent/CA1213905A/fr not_active Expired
- 1984-12-12 JP JP59262661A patent/JPS60185741A/ja active Granted
- 1984-12-12 AU AU36571/84A patent/AU564901B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0145596B1 (fr) | 1986-11-05 |
JPS6315254B2 (es) | 1988-04-04 |
ES538505A0 (es) | 1985-11-01 |
EP0145596A3 (en) | 1985-07-24 |
CA1213905A (fr) | 1986-11-12 |
AU564901B2 (en) | 1987-08-27 |
FR2556339A1 (fr) | 1985-06-14 |
DE3461175D1 (en) | 1986-12-11 |
AU3657184A (en) | 1985-06-20 |
US4579976A (en) | 1986-04-01 |
EP0145596A2 (fr) | 1985-06-19 |
FR2556339B1 (fr) | 1986-05-16 |
JPS60185741A (ja) | 1985-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20001102 |