ES2108524T3 - Procedimiento para la fabricacion de cetocompuestos. - Google Patents
Procedimiento para la fabricacion de cetocompuestos.Info
- Publication number
- ES2108524T3 ES2108524T3 ES95111563T ES95111563T ES2108524T3 ES 2108524 T3 ES2108524 T3 ES 2108524T3 ES 95111563 T ES95111563 T ES 95111563T ES 95111563 T ES95111563 T ES 95111563T ES 2108524 T3 ES2108524 T3 ES 2108524T3
- Authority
- ES
- Spain
- Prior art keywords
- electrodialytic
- protonation
- pref
- keto
- ketocomposites
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
-
- 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
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Furan Compounds (AREA)
Abstract
LA INVENCION SE REFIERE A UN NUEVO PROCESO PARA LA ELABORACION DE CETOCOMPUESTOS A PARTIR DE LAS SALES ALCALINAS PERTENECIENTES, DONDE TIENE LUGAR UNA DISPOSICION DE PROTONES ELECTRODIALITICA EN UN MEDIO NO ACUOSO SIN ADICION DE ACIDO INHIBIDOR DEL SISTEMA Y LIBERANDOSE CON ELLO LOS CETOS COMPUESTOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4433823A DE4433823A1 (de) | 1994-09-22 | 1994-09-22 | Verfahren zur Herstellung von Ketoverbindungen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2108524T3 true ES2108524T3 (es) | 1997-12-16 |
Family
ID=6528885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95111563T Expired - Lifetime ES2108524T3 (es) | 1994-09-22 | 1995-07-22 | Procedimiento para la fabricacion de cetocompuestos. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5626733A (es) |
EP (1) | EP0702998B1 (es) |
JP (1) | JPH08100285A (es) |
AT (1) | ATE158199T1 (es) |
DE (2) | DE4433823A1 (es) |
ES (1) | ES2108524T3 (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19505957A1 (de) * | 1995-02-21 | 1996-08-22 | Huels Chemische Werke Ag | Verfahren zur Herstellung von Ketoverbindungen |
DE19544496A1 (de) * | 1995-11-29 | 1997-06-05 | Huels Chemische Werke Ag | Verfahren zur Herstellung von Alkoholaten |
AU4711601A (en) * | 1999-12-10 | 2001-07-03 | United Video Properties, Inc. | Systems and methods for coordinating interactive and passive advertisement and merchandising opportunities |
JP4775785B2 (ja) * | 2004-05-28 | 2011-09-21 | 東レ・ファインケミカル株式会社 | 高純度2−ケト酸エステルの製造方法 |
DE102004047713A1 (de) * | 2004-09-30 | 2006-04-06 | Wacker Chemie Ag | Verfahren zur Herstellung von beta-Ketocarbonsäureestern |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS559538A (en) | 1978-07-07 | 1980-01-23 | Asahi Chem Ind Co Ltd | Heat resistant photoresist composition |
JPS5899473A (ja) | 1981-12-08 | 1983-06-13 | Dainippon Ink & Chem Inc | α−アセチルラクトン類の製造方法 |
JPS58162585A (ja) | 1982-03-19 | 1983-09-27 | Dainippon Ink & Chem Inc | α−アシルラクトン類の製造方法 |
DE3446695A1 (de) * | 1984-12-21 | 1986-06-26 | Basf Ag, 6700 Ludwigshafen | Verfahren zur aufkonzentrierung waessriger loesungen von organischen verbindungen, die salze enthalten, unter gleichzeitiger verringerung des salzgehaltes |
DE4233191C2 (de) | 1992-01-16 | 1995-06-29 | Huels Chemische Werke Ag | Verfahren zur Herstellung von Alkoholaten |
-
1994
- 1994-09-22 DE DE4433823A patent/DE4433823A1/de not_active Withdrawn
-
1995
- 1995-07-22 DE DE59500674T patent/DE59500674D1/de not_active Expired - Fee Related
- 1995-07-22 AT AT95111563T patent/ATE158199T1/de not_active IP Right Cessation
- 1995-07-22 EP EP95111563A patent/EP0702998B1/de not_active Expired - Lifetime
- 1995-07-22 ES ES95111563T patent/ES2108524T3/es not_active Expired - Lifetime
- 1995-09-19 JP JP7240121A patent/JPH08100285A/ja active Pending
- 1995-09-22 US US08/531,589 patent/US5626733A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0702998B1 (de) | 1997-09-17 |
EP0702998A1 (de) | 1996-03-27 |
JPH08100285A (ja) | 1996-04-16 |
US5626733A (en) | 1997-05-06 |
ATE158199T1 (de) | 1997-10-15 |
DE59500674D1 (de) | 1997-10-23 |
DE4433823A1 (de) | 1996-03-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR8702172A (pt) | Processo para preparacao de estrutura de difluoreto de polivinilideno,estrutura de difluoreto de polivinilideno e membrana microporosa de difluoreto de polivinilideno | |
ES551391A0 (es) | Un metodo para aumentar la estabilidad termica de la alfa-amilasa bacteriana | |
YU47574B (sh) | Postupak za odvajanje jodidnih derivata iz tečne sirćetne kiseline i/ili acetanhidrida | |
DE3481997D1 (de) | Verfahren zur herstellung optisch aktiver aryloxypropionsaeuren und deren als herbizide verwendbare derivate. | |
DE3785132D1 (de) | Herstellung optisch aktiver cyclopropancarbonsaeuren. | |
FR2757854B1 (fr) | Procede de production d'acide 2-hydroxy-4- methylthiobutyrique (mha) stable au stockage | |
DE69705805D1 (de) | Herstellung von Triethylendiaminen mit deaktivierten Oberflächensäurengehaltzeolithkatalysatoren | |
ES2108524T3 (es) | Procedimiento para la fabricacion de cetocompuestos. | |
BR9708823A (pt) | Processo para a preparação de uma membrana de eletrolito de polimero trocadora de ca-tions (pem) | |
BR8500536A (pt) | Monitor para torre de esfriamento | |
NO902839D0 (no) | Fremgangsmaate for rensing av tryptofan. | |
MX10277A (es) | Proceso mejorado para la recuperacion de alcoholes usando una membrana polimerica modificada con acido organico | |
IT1184282B (it) | Procedimento per la produzione di alfa-chetoacidi indolici a partire da un rispettivo alfa-ammino-acido,particolarmente per produrre acido indolpiruvico | |
ES557640A0 (es) | Procedimiento para la fabricacion de un ester acido 1 beta-(2-(2-amino-4-tiazolil)alquenoilamino)-3-cefem-4-carboxilico. | |
BR9807452B1 (pt) | processo para minimizar o acastanhamento do meio de cultura e das células de cana-de-açúcar durante a produção de embriões somáticos. | |
JPS51131806A (en) | Method for concentrating organic acids | |
MX169230B (es) | Sistema adhesivo de separadores laminados para celdas electroquimicas | |
DE69512329D1 (de) | Verfahren zur Herstellung von optisch aktiver Gamma-hydroxy-L-Glutaminsäure | |
DE69715955D1 (de) | Verfahren zur Herstellung von optisch-aktiven Aminopolycarbonsäuren | |
DK159329C (da) | Fremgangsmaade til kontinuerlig enzymatisk omdannelse af alfa-hydroxycarboxylsyrer til de tilsvarende optisk aktive alfa-aminocarboxylsyrer | |
IT8519172A0 (it) | Processo per la preparazione di acido-4-amino-3-idrossibutirrico otticamente attivo. | |
DK179986D0 (da) | Racemiske og optisk aktive 1,12b-disubstituerede octahydroindolo(2,3-a)quinolizinderivater eller cis- og trans-isomere eller syreadditionssalte deraf, deres fremstilling og anvendelse som farmaceutika, mellemprodukter ved fremstillingen og disses fremstilling | |
AT362377B (de) | Verfahren zur herstellung neuer pyrido(1,2-a) pyrimidin-derivate, deren optisch aktiver isomere und physiologisch vertraeglicher salze | |
ES2032285T3 (es) | Procedimiento para la isomerizacion de esteres del acido 2-pentenico en esteres del acido 3-pentenico. | |
SU1047905A1 (ru) | Способ получени антра-[1,2- @ ]- @ -изоксазол-3,6,11-триона |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 702998 Country of ref document: ES |