ES2041948T3 - Procedimiento para la obtencion de alcanales 2-alquil-ramificados a partir de mezclas de alcanales. - Google Patents
Procedimiento para la obtencion de alcanales 2-alquil-ramificados a partir de mezclas de alcanales.Info
- Publication number
- ES2041948T3 ES2041948T3 ES198989122186T ES89122186T ES2041948T3 ES 2041948 T3 ES2041948 T3 ES 2041948T3 ES 198989122186 T ES198989122186 T ES 198989122186T ES 89122186 T ES89122186 T ES 89122186T ES 2041948 T3 ES2041948 T3 ES 2041948T3
- Authority
- ES
- Spain
- Prior art keywords
- alcanals
- alcanols
- branched
- procedure
- alkyls
- 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 - Lifetime
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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- 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
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
-
- 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
- C07C45/67—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 isomerisation; by change of size of the carbon skeleton
- C07C45/68—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 isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—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 isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/75—Reactions with formaldehyde
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
EL INVENTO SE REFIERE A UN PROCEDIMIENTO PARA LA EXTRACCION DE ALCANOLES RAMIFICADOS CON 2-ALQUILOS DE MEZCLAS QUE CONTIENEN DICHOS ALCANOLES A EXTRAER N-ALCANOLES, ALCANOLES CON TRES ALQUILOS Y/O ISOMEROS DE LOS MISMOS QUE CONSISTE EN A) TRATAR LA MEZCLA DE ALCANOLES CON UNA SOLUCION ACUOSA DE FORMALDEHIDO EN PRESENCIA DE UNAS AMINAS SECUNDARIAS Y UN ACIDO CARBONICO COMO CATALIZADOR; B) SEPARAR DEL MEDIO DE REACCION LA FASE ACUOSA CON EL CATALIZADOR Y EL FORMALDEHIDO EN EXCESO Y C) DESTILAR EL PRODUCTO DE CONDENSACION DE ALCANOLES CON FORMALDEHIDO PARA OBTENER LOS ALCANOLES RAMIFICADOS CON 2 ALQUILOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3842186A DE3842186A1 (de) | 1988-12-15 | 1988-12-15 | Verfahren zur gewinnung von 2-alkylverzweigten alkanalen aus alkanalgemischen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2041948T3 true ES2041948T3 (es) | 1993-12-01 |
Family
ID=6369201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198989122186T Expired - Lifetime ES2041948T3 (es) | 1988-12-15 | 1989-12-01 | Procedimiento para la obtencion de alcanales 2-alquil-ramificados a partir de mezclas de alcanales. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5026920A (es) |
EP (1) | EP0373443B1 (es) |
JP (1) | JPH02218637A (es) |
DE (2) | DE3842186A1 (es) |
ES (1) | ES2041948T3 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5102505A (en) * | 1990-11-09 | 1992-04-07 | Union Carbide Chemicals & Plastics Technology Corporation | Mixed aldehyde product separation by distillation |
US5177267A (en) * | 1991-07-25 | 1993-01-05 | Eastman Kodak Company | Continuous process for the recovery of 2 ethylhexanal and a tertiary amine from a mixture comprising 2-ethyl-2-(hydroxymethyl) hexanal, 2-ethylhexanal, tertiary amine and water |
US5354909A (en) * | 1993-08-17 | 1994-10-11 | Arco Chemical Technology, L.P. | Processes for isolating hydroxyaldehyde isomers |
DE102013020320B4 (de) | 2013-12-05 | 2019-04-04 | Oxea Gmbh | Verfahren zur Herstellung von 2-Methylbuttersäure mit einem vermindertem Gehalt an 3-Methylbuttersäure aus den bei der Herstellung von Pentansäuren anfallenden Nebenströmen |
DE102013020322B4 (de) | 2013-12-05 | 2019-04-18 | Oxea Gmbh | Verfahren zur Gewinnung von 2-Methylbutanal aus den bei der Herstellung von Gemischen isomerer a,ß-ungesättigter Decenale anfallenden Nebenströmen |
DE102013020323B3 (de) | 2013-12-05 | 2015-01-08 | Oxea Gmbh | Verfahren zur Herstellung von isomeren Hexansäuren aus den bei der Herstellung von Pentanalen anfallenden Nebenströmen |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE870841C (de) * | 1951-05-19 | 1953-03-16 | Basf Ag | Verfahren zur Gewinnung von iso-Butyraldehyd |
BE758908R (fr) * | 1968-09-27 | 1971-05-13 | Basf Ag | Procede de preparation de dimethyl-2, 2-hydroxy-3- |
DE2218305C2 (de) * | 1972-04-15 | 1982-05-13 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Gewinnung von n-Alkanalen |
DE2813201A1 (de) * | 1978-03-25 | 1979-10-04 | Bayer Ag | Verfahren zur herstellung von 2,2-dimethylolalkanalen |
DE2833538C2 (de) * | 1978-07-31 | 1984-09-20 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur Herstellung von α-methylverzweigten Aldehyden |
DE2855506C3 (de) * | 1978-12-22 | 1981-04-30 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur Herstellung von Methyl-nonyl-acetaldehyd |
DE3025350C2 (de) * | 1980-07-04 | 1993-10-14 | Hoechst Ag | Verfahren zur Herstellung von 2-Methylenaldehyden |
DE3106557A1 (de) * | 1981-02-21 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (alpha)-alkylacroleinen |
DE3744212A1 (de) * | 1987-12-24 | 1989-07-06 | Ruhrchemie Ag | Verfahren zur herstellung von 2-methylbutanal |
DE3811039A1 (de) * | 1988-03-31 | 1989-10-19 | Hoechst Ag | Verfahren zur gewinnung von 2-methylalkanalen aus gemischen isomerer aldehyde |
-
1988
- 1988-12-15 DE DE3842186A patent/DE3842186A1/de not_active Withdrawn
-
1989
- 1989-11-08 US US07/433,661 patent/US5026920A/en not_active Expired - Lifetime
- 1989-12-01 DE DE8989122186T patent/DE58903669D1/de not_active Expired - Lifetime
- 1989-12-01 ES ES198989122186T patent/ES2041948T3/es not_active Expired - Lifetime
- 1989-12-01 EP EP89122186A patent/EP0373443B1/de not_active Expired - Lifetime
- 1989-12-15 JP JP1324125A patent/JPH02218637A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH02218637A (ja) | 1990-08-31 |
DE58903669D1 (de) | 1993-04-08 |
DE3842186A1 (de) | 1990-06-21 |
EP0373443A3 (de) | 1991-04-03 |
EP0373443B1 (de) | 1993-03-03 |
US5026920A (en) | 1991-06-25 |
EP0373443A2 (de) | 1990-06-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2176756T3 (es) | Proceso perfeccionado para la sintesis de los esteres protegidos del acido (s)-3,4-dihidroxibutirico. | |
ES2100157T3 (es) | Procedimiento para preparar policarbonatos aromaticos. | |
ES2024508B3 (es) | Forma de dosificacion para liberar un medicamento que comprende un componente regulador de solubilidad. | |
ES2145492T3 (es) | Procedimiento para la preparacion de polialcoholes. | |
GT197854449A (es) | Productos hidrogenados selectivos de compuestos c-076 y sus derivados | |
AR013821A1 (es) | Compuesto de xantina, procedimiento para su preparacion, medicamento y uso de los mismos para preparar un medicamento. | |
ES2099588T3 (es) | Proceso para la preparacion de acido n-fosfonometilimino-diacetico. | |
ES2041948T3 (es) | Procedimiento para la obtencion de alcanales 2-alquil-ramificados a partir de mezclas de alcanales. | |
ES2132685T3 (es) | Procedimiento para la obtencion de acido 2-hidroxi-4-metiltiobutirico (mha), mha y su utilizacion. | |
ES2157609T3 (es) | Procedimiento mejorado para la preparacion de fenol y acetona a partir de cumeno. | |
ES2033993T3 (es) | Procedimiento para la fabricacion de poliamidas aromaticas de nucleos multiples. | |
GT199900011A (es) | Nuevos derivados del acido dihidroxihexanoico | |
ES2038959T1 (es) | Procedimiento para la preparacion de carbonatos ciclicos. | |
SE7600111L (sv) | Sett att framstella flerkerniga aromatiska polyaminer | |
ES2121357T3 (es) | Procedimiento para la obtencion de alcoholes y/o aldehidos. | |
ES2037763T3 (es) | Metodo para preparar compuestos no naturales afines a la ceramida. | |
ES2054447T3 (es) | Preparacion de compuestos glicidilicos. | |
ES2171793T3 (es) | Procedimiento para la separacion de un producto de una reaccion de oxidacion y de un catalizador de oxidacion. | |
ES2032582T3 (es) | Procedimiento para preparar derivados de la oxima del 1,2,5,6,-tetrahidropiridin -3-carboxialdehido. | |
PT1091970E (pt) | Processo para a preparacao de aloina por extraccao | |
MX9304740A (es) | Procedimiento para producir trioxano. | |
ES444129A1 (es) | Procedimiento para la obtencion de poliaminas aromaticas po-linucleares. | |
ES2076578T3 (es) | Proceso para purificar carbonato de dimetilo. | |
BR9813090A (pt) | Processo para a preparação de ácido (met) acrìlico a partir de uma mistura que contém ácido (met) acrìlico e um solvente | |
SE7614166L (sv) | Sett att framstella polyaminer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 373443 Country of ref document: ES |