ES2035767B1 - Procedimiento de obtencion de 2-hidroximetil-3,5-dimetilpiridinas 4-sustituidas. - Google Patents
Procedimiento de obtencion de 2-hidroximetil-3,5-dimetilpiridinas 4-sustituidas.Info
- Publication number
- ES2035767B1 ES2035767B1 ES9100890A ES9100890A ES2035767B1 ES 2035767 B1 ES2035767 B1 ES 2035767B1 ES 9100890 A ES9100890 A ES 9100890A ES 9100890 A ES9100890 A ES 9100890A ES 2035767 B1 ES2035767 B1 ES 2035767B1
- Authority
- ES
- Spain
- Prior art keywords
- formula
- obtaining
- hydroximetil
- procedure
- dimetil
- 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
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
Abstract
PROCEDIMIENTO DE OBTENCION DE 2-HIDROXIMETIL-3,5-DIMETIL-4-R-PIRIDINA, DE FORMULA I FORMULA DONDE R ES UN GRUPO NITRO O METOXILO, QUE COMPRENDE: A) DESOXIGENACION E INTRODUCCION DE UN GRUPO CIANO EN POSICION 2 DEL N-OXIDO DE 3,5-DIMETIL-4-R-PIRIDINA, DE FORMULA III, OBTENIENDO EL 3,5-DIMETIL-4-R-PIRIDIN-2-CARBONITRILO; B) HIDROLISIS DEL GRUPO CIANO DE ESTE ULTIMO COMPUESTO, RINDIENDO EL ACIDO 3,5-DIMETIL-4-R-PIRIDIN-2-CARBOXILICO, Y C) REDUCCION DEL RADICAL CARBOXILO DEL ANTERIOR ACIDO, RINDIENDO EL COMPUESTO DE FORMULA I. EL COMPUESTO DE FORMULA I ES UN INTERMEDIO DE LA SINTESIS DEL OMEPRAZOL, EL CUAL ES UN MEDICAMENTO MUY EFICAZ.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9100890A ES2035767B1 (es) | 1991-04-05 | 1991-04-05 | Procedimiento de obtencion de 2-hidroximetil-3,5-dimetilpiridinas 4-sustituidas. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9100890A ES2035767B1 (es) | 1991-04-05 | 1991-04-05 | Procedimiento de obtencion de 2-hidroximetil-3,5-dimetilpiridinas 4-sustituidas. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2035767A1 ES2035767A1 (es) | 1993-04-16 |
ES2035767B1 true ES2035767B1 (es) | 1994-02-01 |
Family
ID=8271987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9100890A Expired - Fee Related ES2035767B1 (es) | 1991-04-05 | 1991-04-05 | Procedimiento de obtencion de 2-hidroximetil-3,5-dimetilpiridinas 4-sustituidas. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2035767B1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999010326A1 (en) * | 1997-08-23 | 1999-03-04 | Seal Sands Chemicals Limited | Preparation of pyridine derivatives |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2097089B1 (es) * | 1995-02-01 | 1997-12-16 | Esteve Quimica Sa | Procedimiento para la preparacion de 2-hidroximetil-3,5-dimetil-4-metoxipiridina. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT391693B (de) * | 1988-11-15 | 1990-11-12 | Cl Pharma | Verfahren zur herstellung von 3-5-dimethyl-4methoxypyridinderivaten sowie neues zwischenprodukt hierfuer |
-
1991
- 1991-04-05 ES ES9100890A patent/ES2035767B1/es not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999010326A1 (en) * | 1997-08-23 | 1999-03-04 | Seal Sands Chemicals Limited | Preparation of pyridine derivatives |
Also Published As
Publication number | Publication date |
---|---|
ES2035767A1 (es) | 1993-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000201 |