ES2097089B1 - Procedimiento para la preparacion de 2-hidroximetil-3,5-dimetil-4-metoxipiridina. - Google Patents

Procedimiento para la preparacion de 2-hidroximetil-3,5-dimetil-4-metoxipiridina.

Info

Publication number
ES2097089B1
ES2097089B1 ES9500182A ES9500182A ES2097089B1 ES 2097089 B1 ES2097089 B1 ES 2097089B1 ES 9500182 A ES9500182 A ES 9500182A ES 9500182 A ES9500182 A ES 9500182A ES 2097089 B1 ES2097089 B1 ES 2097089B1
Authority
ES
Spain
Prior art keywords
dimetil
hydroximetil
metoxipiridina
procedure
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
Application number
ES9500182A
Other languages
English (en)
Other versions
ES2097089A1 (es
Inventor
Guillen Yolanda Gasanz
Torres Salvador Puig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Esteve Quimica SA
Original Assignee
Esteve Quimica SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Esteve Quimica SA filed Critical Esteve Quimica SA
Priority to ES9500182A priority Critical patent/ES2097089B1/es
Publication of ES2097089A1 publication Critical patent/ES2097089A1/es
Application granted granted Critical
Publication of ES2097089B1 publication Critical patent/ES2097089B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Landscapes

  • Pyridine Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

COMPRENDE LAS OPERACIONES DE HACER REACCIONAR 2-HIDROXIMETIL-3,5- DIMETIL -4-NITROPIRIDINA (IV) CON CLORURO DE TRITILO EN PRESENCIA DE TRIETILAMINA Y EN TOLUENO, OBTENIENDOSE EN CALIENTE 3,5- DIMETIL-4-NITRO-2- TRITILOXIMETILPIRIDINA (VI); DE HACER REACCIONAR 3,5-DIMETIL-4-NITRO-2- TRITILOXIMETILPIRIDINA (VI) CON METOXIDO SODICO EN TOLUENO Y METANOL, CALENTANDO A REFLUJO, OBTENIENDOSE 3,5-DIMETIL-4-METOXI- 2-TRITILOXIMETIL-PIRIDINA (VII); Y DE CALENTAR LIGERAMENTE 3,5-DIMETRIL-4-METOXI-2- TRITILOXIMETILPIRIDINA (VII) EN DISOLUCION DE METANOL CON UNA PEQUE¥A CANTIDAD DE ACIDO CLORHIDRICO CONCENTRADO, OBTENIENDOSE 2-HIDROXIMETIL-3,5-DIMETIL -4-METOXIPIRIDINA (I).
ES9500182A 1995-02-01 1995-02-01 Procedimiento para la preparacion de 2-hidroximetil-3,5-dimetil-4-metoxipiridina. Expired - Fee Related ES2097089B1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9500182A ES2097089B1 (es) 1995-02-01 1995-02-01 Procedimiento para la preparacion de 2-hidroximetil-3,5-dimetil-4-metoxipiridina.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9500182A ES2097089B1 (es) 1995-02-01 1995-02-01 Procedimiento para la preparacion de 2-hidroximetil-3,5-dimetil-4-metoxipiridina.

Publications (2)

Publication Number Publication Date
ES2097089A1 ES2097089A1 (es) 1997-03-16
ES2097089B1 true ES2097089B1 (es) 1997-12-16

Family

ID=8289324

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9500182A Expired - Fee Related ES2097089B1 (es) 1995-02-01 1995-02-01 Procedimiento para la preparacion de 2-hidroximetil-3,5-dimetil-4-metoxipiridina.

Country Status (1)

Country Link
ES (1) ES2097089B1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9717849D0 (en) * 1997-08-23 1997-10-29 Seal Sands Chemicals Limited Preparation of pyridene derivatives

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8204879D0 (sv) * 1982-08-26 1982-08-26 Haessle Ab Novel chemical intermediates
AT391693B (de) * 1988-11-15 1990-11-12 Cl Pharma Verfahren zur herstellung von 3-5-dimethyl-4methoxypyridinderivaten sowie neues zwischenprodukt hierfuer
ES2035767B1 (es) * 1991-04-05 1994-02-01 Genesis Para La Investigacion Procedimiento de obtencion de 2-hidroximetil-3,5-dimetilpiridinas 4-sustituidas.
JP3026238B2 (ja) * 1991-07-17 2000-03-27 三菱東京製薬株式会社 新規な４−メトキシ−２−（２−テトラヒドロピラニルオキシメチル）ピリジン化合物及びその製造中間体ならびにそれらの製造方法
JP3029901B2 (ja) * 1991-08-28 2000-04-10 三菱東京製薬株式会社 新規なメトキシ基導入法による２−ヒドロキシメチル−４−メトキシ−３，５−ジメチルピリジンの製造法
JP3029894B2 (ja) * 1991-09-17 2000-04-10 三菱東京製薬株式会社 新規な２−ヒドロキシメチル−４−メトキシ−３，５−ジメチルピリジンの製造方法及びその製造中間体ならびにそれらの製造法

Also Published As

Publication number Publication date
ES2097089A1 (es) 1997-03-16

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