ES483758A1 - Un procedimiento para la preparacion de 1-(p-metoxibenzoil) -2-pirrolidinona - Google Patents

Un procedimiento para la preparacion de 1-(p-metoxibenzoil) -2-pirrolidinona

Info

Publication number
ES483758A1
ES483758A1 ES483758A ES483758A ES483758A1 ES 483758 A1 ES483758 A1 ES 483758A1 ES 483758 A ES483758 A ES 483758A ES 483758 A ES483758 A ES 483758A ES 483758 A1 ES483758 A1 ES 483758A1
Authority
ES
Spain
Prior art keywords
formula
methoxybenzoyl
iii
compound
derivative
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
Application number
ES483758A
Other languages
English (en)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of ES483758A1 publication Critical patent/ES483758A1/es
Expired legal-status Critical Current

Links

Landscapes

  • Pyrrole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Un procedimiento para la preparación de 1-(p-metoxibenzoil)-2- pirrolidinona de la fórmula-01 (I): **(Fórmula-01)** caracterizado porque comprende hidrolizar un compuesto de la fórmula-02 (III): **(Fórmula-02)** en donde R4 representa un grupo de alquilo inferior, llevándose a cabo preferentemente el tratamiento hidrolítico en un medio disolvente orgánico inerte, preferentemente inmiscible con el agua, produciéndose la reacción hidrolítica en medio ácido o básico fuerte y preferentemente en el mismo seno de la masa reaccional generadora del compuesto de fórmula-02 (III), sin aislamiento previo de éste.
ES483758A 1978-02-10 1979-08-31 Un procedimiento para la preparacion de 1-(p-metoxibenzoil) -2-pirrolidinona Expired ES483758A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH140378 1978-02-10

Publications (1)

Publication Number Publication Date
ES483758A1 true ES483758A1 (es) 1980-09-01

Family

ID=4209610

Family Applications (3)

Application Number Title Priority Date Filing Date
ES483757A Expired ES483757A1 (es) 1978-02-10 1979-08-31 Un procedimiento para la preparacion de 1-(p-metoxibenzoil) -2-pirrolidinona
ES483758A Expired ES483758A1 (es) 1978-02-10 1979-08-31 Un procedimiento para la preparacion de 1-(p-metoxibenzoil) -2-pirrolidinona
ES483755A Expired ES483755A1 (es) 1978-02-10 1979-08-31 Un procedimiento para la preparacion de 1-(p-metoxibenzoil) -2- pirrolidinona

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES483757A Expired ES483757A1 (es) 1978-02-10 1979-08-31 Un procedimiento para la preparacion de 1-(p-metoxibenzoil) -2-pirrolidinona

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES483755A Expired ES483755A1 (es) 1978-02-10 1979-08-31 Un procedimiento para la preparacion de 1-(p-metoxibenzoil) -2- pirrolidinona

Country Status (5)

Country Link
JP (1) JPS6133167A (es)
ES (3) ES483757A1 (es)
IS (1) IS1222B6 (es)
MT (1) MTP839B (es)
ZA (1) ZA79457B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04104691U (ja) * 1991-02-15 1992-09-09 アイエスデイ株式会社 吸着具

Also Published As

Publication number Publication date
JPS6355511B2 (es) 1988-11-02
JPS6133167A (ja) 1986-02-17
ES483755A1 (es) 1980-09-01
IS2478A7 (is) 1979-08-11
ZA79457B (en) 1980-02-27
MTP839B (en) 1980-01-24
ES483757A1 (es) 1980-09-01
IS1222B6 (is) 1986-06-30

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970612