ES2049638B1 - PROCEDURE FOR THE PREPARATION OF HOMOQUIRAL BETA-LACTAMIC COMPOUNDS. - Google Patents
PROCEDURE FOR THE PREPARATION OF HOMOQUIRAL BETA-LACTAMIC COMPOUNDS.Info
- Publication number
- ES2049638B1 ES2049638B1 ES9200989A ES9200989A ES2049638B1 ES 2049638 B1 ES2049638 B1 ES 2049638B1 ES 9200989 A ES9200989 A ES 9200989A ES 9200989 A ES9200989 A ES 9200989A ES 2049638 B1 ES2049638 B1 ES 2049638B1
- Authority
- ES
- Spain
- Prior art keywords
- homoquiral
- beta
- compounds
- lactamic
- preparation
- 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 - Fee Related
Links
Landscapes
- Cephalosporin Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
LA PRESENTE INVENCION SE REFIERE A UN NUEVO PROCEDIMIENTO PARA LA PREPARACION DE COMPUESTOS BETA-LACTAMICOS HOMOQUIRALES. NUEVOS COMPUESTOS DE BETA-LACTAMA HOMOQUIRALES CON CARBONOS C3, C4, C4-1'' DE CONFIGURACION (R) O (S), SE PREPARAN HACIENDO REACCIONAR AMINO-IMINAS QUIRALES N-PROTEGIDOS CON ACIDOS ACETICOS ACTIVADOS EN PRESENCIA DE UNA BASE TERCIARIA. LAS AMINOS-IMINAS RESULTAN DE LA REACCION EN UN DISOLVENTE ORGANICO DE UN ALFA-AMINOALDEHIDO CON UNA AMINA PRIMARIA Y UN AGENTE DESHIDRATANTE; A LA SOLUCION ASI OBTENIDA SE ADICIONA EL ACIDO ACTIVADO Y LA BASE ORGANICA, CONTROLANDO LA TEMPERATURA, ENTRE -85GC Y 25GC.THE PRESENT INVENTION REFERS TO A NEW PROCEDURE FOR THE PREPARATION OF HOMOQUIRAL BETA-LACTAMIC COMPOUNDS. NEW C3, C4, C4-1 '' CARBON HOMOQUIRAL BETA-LACTAM COMPOUNDS OF CONFIGURATION (R) OR (S), ARE PREPARED BY REACTING N-PROTECTED CHIRAL AMINO-IMINES IN THE PRESENCE OF A TERCIARY BASE. AMINE-IMINES RESULT FROM THE REACTION IN AN ORGANIC SOLVENT OF AN ALPHA-AMINOALDEHYDE WITH A PRIMARY AMINE AND A DEHYDRATING AGENT; TO THE SOLUTION SO OBTAINED, THE ACTIVATED ACID AND THE ORGANIC BASE ARE ADDED, CONTROLLING THE TEMPERATURE, BETWEEN -85GC AND 25GC.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9200989A ES2049638B1 (en) | 1992-05-13 | 1992-05-13 | PROCEDURE FOR THE PREPARATION OF HOMOQUIRAL BETA-LACTAMIC COMPOUNDS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9200989A ES2049638B1 (en) | 1992-05-13 | 1992-05-13 | PROCEDURE FOR THE PREPARATION OF HOMOQUIRAL BETA-LACTAMIC COMPOUNDS. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2049638A1 ES2049638A1 (en) | 1994-04-16 |
ES2049638B1 true ES2049638B1 (en) | 1994-12-16 |
Family
ID=8276992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9200989A Expired - Fee Related ES2049638B1 (en) | 1992-05-13 | 1992-05-13 | PROCEDURE FOR THE PREPARATION OF HOMOQUIRAL BETA-LACTAMIC COMPOUNDS. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2049638B1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982001873A1 (en) * | 1980-12-05 | 1982-06-10 | Takeda Chemical Industries Ltd | 1-sulfo-2-oxoazetidine derivatives and process for their preparation |
ES2021058B3 (en) * | 1986-10-24 | 1991-10-16 | Merck & Co Inc | PROCEDURE FOR THE SYNTHESIS OF A CHIRAL AZETIDINONE. |
ES2001459A6 (en) * | 1986-12-15 | 1988-05-16 | Antibioticos Sa | Enantio selective prepn. of mono:lactam(s) |
-
1992
- 1992-05-13 ES ES9200989A patent/ES2049638B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2049638A1 (en) | 1994-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD2A | Announcement of lapse in spain |
Effective date: 20141120 |