ES2039299B1 - PROCEDURE FOR OBTAINING ESTERS OF 1,1-DIOXOPENICILANIC ACID AND ITS SALTS. - Google Patents
PROCEDURE FOR OBTAINING ESTERS OF 1,1-DIOXOPENICILANIC ACID AND ITS SALTS.Info
- Publication number
- ES2039299B1 ES2039299B1 ES9102196A ES9102196A ES2039299B1 ES 2039299 B1 ES2039299 B1 ES 2039299B1 ES 9102196 A ES9102196 A ES 9102196A ES 9102196 A ES9102196 A ES 9102196A ES 2039299 B1 ES2039299 B1 ES 2039299B1
- Authority
- ES
- Spain
- Prior art keywords
- group
- procedure
- acid
- axyl
- halogen atoms
- 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
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cephalosporin Compounds (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE ESTERES DEL ACIDO 1, 1-DROXOPENICILANICO Y SUS SALES FARMACEUTICAMENTE ACEPTABLES DE FORMULA I (ESQUEMA I), DONDE R REPRESENTA UN ANILLO AROMATICO O HETEROAROMATICO, SUSTITUIDO O NO POR GRUPOS ALQUILO INFERIOR, HIDROXILO, ALCOXILO INFERIOR, CARBOXILO Y/O ARILO, SUSTITUIDO O NO, A SU VEZ, POR ATOMOS DE HALOGENO, O UN RESTO DEL TIPO R1R2CH-, DONDE R1 REPRESENTA UN ATOMO DE HIDROGENO, UN RESTO ALQUILO INFERIOR O UN GRUPO ARILO O HETEROARILO SUSTITUIDO O NO POR RESTOS HIDROXILO O ATOMOS DE HALOGENO, Y R2 REPRESENTA UN ATOMO DE HIDROGENO O UN GRUPO ALCOXILO INFERIOR, ARILOXI, AMINO, CARBOXILO O UN GRUPO DEL TIPO -COOR3 DONDE R3 REPRESENTA UN GRUPO FENILO O CICLOPENTAFENILO. SE OBTIENE HACIENDO REACCIONAR EL COMPUESTO II, DONDE X REPRESENTA UN ATOMO BROMO CON METAL REDUCTOR EN POLVO EN MEDIO ACUOSO/ORGANICO. SON UTILES EN EL TRATAMIENTO DE INFECCIONES BACTERIANAS.PROCEDURE FOR THE OBTAINING OF ESTERS OF ACID 1, 1-DROXOPENICILANICO AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS OF FORMULA I (SCHEME I), WHERE R REPRESENTS AN AROMATIC RING, AEROILYAL, AXYL, AND AXYL, / OR ARIL, SUBSTITUTED OR NOT, IN turn, BY HALOGEN ATOMS, OR A REST OF TYPE R1R2CH-, WHERE R1 REPRESENTS A HYDROGEN ATOM, A REST LOWER ALKYL OR A ARILO OR HETEROARYL GROUP SUBSTITUTED OR NOT BY ROSE HERO HALOGEN ATOMS, AND R2 REPRESENTS A HYDROGEN ATOM OR A LOWER ALCOXYL GROUP, ARILOXI, AMINO, CARBOXYL, OR A -COOR3-TYPE GROUP WHERE R3 REPRESENTS A PHENYL OR CYCLOPENTHENYL GROUP. IT IS OBTAINED BY REACTIONING COMPOUND II, WHERE X REPRESENTS A BROMINE ATOM WITH REDUCING METAL POWDER IN AQUEOUS / ORGANIC MEDIUM. THEY ARE USEFUL IN THE TREATMENT OF BACTERIAL INFECTIONS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9102196A ES2039299B1 (en) | 1991-10-04 | 1991-10-04 | PROCEDURE FOR OBTAINING ESTERS OF 1,1-DIOXOPENICILANIC ACID AND ITS SALTS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9102196A ES2039299B1 (en) | 1991-10-04 | 1991-10-04 | PROCEDURE FOR OBTAINING ESTERS OF 1,1-DIOXOPENICILANIC ACID AND ITS SALTS. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2039299A1 ES2039299A1 (en) | 1993-09-16 |
ES2039299B1 true ES2039299B1 (en) | 1994-05-16 |
Family
ID=8273730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9102196A Expired - Fee Related ES2039299B1 (en) | 1991-10-04 | 1991-10-04 | PROCEDURE FOR OBTAINING ESTERS OF 1,1-DIOXOPENICILANIC ACID AND ITS SALTS. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2039299B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2100125B1 (en) * | 1995-06-02 | 1998-04-01 | Asturpharma S A | PROCEDURE FOR THE PREPARATION OF METHANODIOL ESTERS OF DIOXOPENICILANIC ACID. |
EP1149107A4 (en) * | 1998-12-08 | 2002-04-17 | Lilly Co Eli | Process of preparing esters of penicillanic acid sulfoxide |
ES2237064T3 (en) * | 1999-03-03 | 2005-07-16 | Astur Pharma S.A. | PROCEDURE TO PREPARE DERIVATIVES OF DIOXOPENICILANIC ACID. |
WO2007004239A1 (en) * | 2005-07-06 | 2007-01-11 | Morepen Laboratories Limited | New polymorphic form of sultamicillin tosylate and a process therefor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419284A (en) * | 1981-03-23 | 1983-12-06 | Pfizer Inc. | Preparation of halomethyl esters (and related esters) of penicillanic acid 1,1-dioxide |
IN159362B (en) * | 1981-03-23 | 1987-05-09 | Pfizer | |
PT76526B (en) * | 1982-04-19 | 1986-01-21 | Gist Brocades Nv | Preparation of 6-alpha-bromo- and/or 6,6-dibromopenicillanic acid 1,1-dioxides |
PH20068A (en) * | 1982-12-06 | 1986-09-18 | Pfizer | Process and intermediates for sultamicillin and analogs |
-
1991
- 1991-10-04 ES ES9102196A patent/ES2039299B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2039299A1 (en) | 1993-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20041005 |