ES2025704T3 - Procedimiento para preparar esteres de acido biciclo (3.3.0) octano-3,7-diona-2-carboxilico. - Google Patents
Procedimiento para preparar esteres de acido biciclo (3.3.0) octano-3,7-diona-2-carboxilico.Info
- Publication number
- ES2025704T3 ES2025704T3 ES198888100089T ES88100089T ES2025704T3 ES 2025704 T3 ES2025704 T3 ES 2025704T3 ES 198888100089 T ES198888100089 T ES 198888100089T ES 88100089 T ES88100089 T ES 88100089T ES 2025704 T3 ES2025704 T3 ES 2025704T3
- Authority
- ES
- Spain
- Prior art keywords
- octane
- pct
- image
- carboxylic
- diona
- 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
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
- C07C67/32—Decarboxylation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/14—All rings being cycloaliphatic
- C07C2602/22—All rings being cycloaliphatic the ring system containing eight carbon atoms, e.g. pentalene
Abstract
EL INVENTO SE TRATA DE UN PROCEDIMIENTO PARA LA FABRICACION DE DL - BICICLO (3.3.0) - OCTANO - 3,7 - DION - 2 - ESTERES DE ACIDO ORGANICO DE LA FORMULA I. EN QUE SE PRESENTAN R METILO O ETILO Y 2 OXIGENO O EL RESTO DE ACETAL (0 X 0 CON X EN LA SIGNIFICACION ETILOS, TRIMETILOS O 2,2 - DIMETILO - TRIMETILOS, QUE ESTAN MARCADOS A TRAVES CON DL - BICICLO - (3.3.0) OCTANO - 3,7 - DION 2,6 - ESTER DE ACIDOS DICARBOXILICOS DE LA FORMULA II EN QUE R CONTIENE EL SIGNIFICADO INDICADO ARRIBA, DENTRO DE UN MEDIO QUE CONTIENE AGUA O QUE ESTA ACUOSO, SAPONIFICADO PARCIAL EN PRESENCIA DE ACIDOS Y DESCARBOXILADO Y DADO EL CASO SELECTIVO CATALIZADO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873702385 DE3702385A1 (de) | 1987-01-23 | 1987-01-23 | Verfahren zur herstellung von bicyclo 3.3.0 octan-3,7-dion-2-carbonsaeureestern |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2025704T3 true ES2025704T3 (es) | 1992-04-01 |
Family
ID=6319638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888100089T Expired - Lifetime ES2025704T3 (es) | 1987-01-23 | 1988-01-07 | Procedimiento para preparar esteres de acido biciclo (3.3.0) octano-3,7-diona-2-carboxilico. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4960907A (es) |
EP (1) | EP0276653B1 (es) |
JP (1) | JPH02501923A (es) |
AT (1) | ATE66461T1 (es) |
AU (1) | AU621283B2 (es) |
DE (2) | DE3702385A1 (es) |
ES (1) | ES2025704T3 (es) |
GR (1) | GR3002973T3 (es) |
HU (1) | HU202821B (es) |
WO (1) | WO1988005429A1 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3708536A1 (de) * | 1987-03-13 | 1988-09-22 | Schering Ag | Neues verfahren zur antipodentrennung von bicyclo (3.3.0) octan-3,7-dion-2-carbonsaeureestern und ihrer monoketale |
-
1987
- 1987-01-23 DE DE19873702385 patent/DE3702385A1/de not_active Withdrawn
-
1988
- 1988-01-07 DE DE8888100089T patent/DE3864270D1/de not_active Expired - Lifetime
- 1988-01-07 WO PCT/DE1988/000011 patent/WO1988005429A1/de unknown
- 1988-01-07 US US07/391,618 patent/US4960907A/en not_active Expired - Fee Related
- 1988-01-07 EP EP88100089A patent/EP0276653B1/de not_active Expired - Lifetime
- 1988-01-07 HU HU88868A patent/HU202821B/hu not_active IP Right Cessation
- 1988-01-07 ES ES198888100089T patent/ES2025704T3/es not_active Expired - Lifetime
- 1988-01-07 JP JP88500895A patent/JPH02501923A/ja active Pending
- 1988-01-07 AT AT88100089T patent/ATE66461T1/de not_active IP Right Cessation
- 1988-01-07 AU AU11047/88A patent/AU621283B2/en not_active Ceased
-
1991
- 1991-10-23 GR GR91401607T patent/GR3002973T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE3702385A1 (de) | 1988-08-04 |
EP0276653A1 (de) | 1988-08-03 |
HUT51227A (en) | 1990-04-28 |
AU621283B2 (en) | 1992-03-12 |
ATE66461T1 (de) | 1991-09-15 |
AU1104788A (en) | 1988-08-10 |
GR3002973T3 (en) | 1993-01-25 |
DE3864270D1 (de) | 1991-09-26 |
HU202821B (en) | 1991-04-29 |
JPH02501923A (ja) | 1990-06-28 |
WO1988005429A1 (en) | 1988-07-28 |
EP0276653B1 (de) | 1991-08-21 |
US4960907A (en) | 1990-10-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR960702348A (ko) | 불포화 카르복실산 에스테르 제조용 촉매 및 그의 사용 방법 (Catalyst and Process for Using for the Preparation of Unsaturated Carboxylic Acid Esters) | |
IL89535A0 (en) | Process and novel intermediates for the preparation of 1-cyclopropyl-quinolone-carboxylic acids and their derivatives | |
IE873288L (en) | Derivatives of bicyclic aminocarboxylic acids. | |
EP0409320A3 (en) | Process for the isolation of hydroxy fatty acid derivatives from convolvulaceae plants | |
MX168547B (es) | Procedimiento para la preparacion de colorantes azo | |
ES2025704T3 (es) | Procedimiento para preparar esteres de acido biciclo (3.3.0) octano-3,7-diona-2-carboxilico. | |
ZA903565B (en) | Process and intermediates for the preparation of oxophthalazinyl acetic acids and analogs thereof | |
FR2602229B1 (fr) | Procede de preparation d'esters d'acides carboxyliques insatures | |
EP0240431A3 (en) | Process for the preparation of ethylenic carbonyl compounds | |
HUT37943A (en) | Process for producing estriol-ester derivatives | |
YU182588A (en) | Process for producing derivatives of catehol carboxylic acid | |
ZA895959B (en) | New 6-fluoro-3,5-dihydroxy carboxylic acids and derivatives thereof,a process for the preparation thereof,the use thereof as medicinal agents,pharmaceutical products and intermediates | |
ZA853830B (en) | New cephalosporins and processes for their preparation | |
ZA952759B (en) | Process for the preparation of carboxyarenesulfonic acids and their carboxylic acid derivatives | |
DK276381A (da) | Fremgangsmaade til fremstilling af 17alfahydroxy- og 17 aalfa-hydroxy-d-homoetiocarbonsyrer | |
EP0511019A3 (en) | Method of producing keto acids | |
ES2018764T3 (es) | Procedimiento de preparacion de alquildietanolamidas grasas purificadas, productos obtenidos y sus usos. | |
HU908018D0 (en) | Process for producing multiplically unsaturated fatty acids | |
FR2611201B1 (fr) | Intermediaires de tetrazole et procede de preparation de derives antihypercholesterolemiques du tetrazole | |
AU3477884A (en) | Process for forming esters of glyoxylic acids | |
JPS5227715A (en) | Process for preparation of gamma-halogeno-delta- unsaturated carboxylic acid ester and/or gamma-lactone derivatives | |
LU79993A1 (fr) | Procede pour la preparation d'esters de methyle et d'ethyle d'acides cyclopropane carboxyliques | |
AU5718690A (en) | Process for preparation of alpha-alkoxy acetic acids and their salts | |
EP0327792A3 (en) | 3-(4-amino-2-hydroxyphenyl)-1-oxoisoindolenines, process for their preparation and their saponification to 2-(4-amino-2-hydroxybenzoyl)-benzoic acids | |
IL86109A0 (en) | Method and apparatus for scanning objects by means of ultrasonic echography |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 276653 Country of ref document: ES |