GB1022031A - Improvements in or relating to basic esters of 3,5-dimethoxy-4-alkoxy-benzoic acids - Google Patents

Improvements in or relating to basic esters of 3,5-dimethoxy-4-alkoxy-benzoic acids

Info

Publication number
GB1022031A
GB1022031A GB15974/63A GB1597463A GB1022031A GB 1022031 A GB1022031 A GB 1022031A GB 15974/63 A GB15974/63 A GB 15974/63A GB 1597463 A GB1597463 A GB 1597463A GB 1022031 A GB1022031 A GB 1022031A
Authority
GB
United Kingdom
Prior art keywords
dimethoxy
alkoxy
benzoic acid
ester
acid
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
GB15974/63A
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.)
Egyt Gyogyszervegyeszeti Gyar
Original Assignee
Egyt Gyogyszervegyeszeti Gyar
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 Egyt Gyogyszervegyeszeti Gyar filed Critical Egyt Gyogyszervegyeszeti Gyar
Publication of GB1022031A publication Critical patent/GB1022031A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention comprises compounds of the formula <FORM:1022031/C2/1> wherein R represents a saturated or unsaturated straight or branched chain C2- 5 alkyl group which may be substituted by a basic nitrogen-containing group of R1 and R2 represent identical or different straight or branched chain saturated alkyl groups, or the groups R1 and R2, together with the nitrogen atom to which they are attached, form a heterocyclic group which may be interrupted by a further hetero atom, and n = 2 or 3. The compounds are prepared by reacting a 3,5-dimethoxy-4-alkoxy-benzoic acid or a reactive derivative thereof, with a basic alcohol of the formula <FORM:1022031/C2/2> or with a reactive derivative thereof. 3,5 - Dimethoxy - 4 - alkoxy - benzoic acid chlorides are prepared by alkylating a 3,5-dimethoxy-4-hydroxy-benzoic acid or an ester thereof to form a 3,5-dimethoxy-4-alkoxy-benzoic acid or an ester thereof, followed, if necessary by hydrolysis of the ester to form the free acid, and reacting the free acid with thionyl chloride to form the acid chloride.
GB15974/63A 1962-05-11 1963-04-23 Improvements in or relating to basic esters of 3,5-dimethoxy-4-alkoxy-benzoic acids Expired GB1022031A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUGO000856 1962-05-11

Publications (1)

Publication Number Publication Date
GB1022031A true GB1022031A (en) 1966-03-09

Family

ID=10996637

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15974/63A Expired GB1022031A (en) 1962-05-11 1963-04-23 Improvements in or relating to basic esters of 3,5-dimethoxy-4-alkoxy-benzoic acids

Country Status (4)

Country Link
CS (1) CS160625B2 (en)
DK (1) DK107296C (en)
GB (1) GB1022031A (en)
SE (1) SE313820B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7534900B2 (en) * 2005-03-14 2009-05-19 Teva Pharmaceutical Industries Ltd Process for the purification of duloxetine hydrochloride

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7534900B2 (en) * 2005-03-14 2009-05-19 Teva Pharmaceutical Industries Ltd Process for the purification of duloxetine hydrochloride

Also Published As

Publication number Publication date
CS160625B2 (en) 1975-03-28
DK107296C (en) 1967-05-16
SE313820B (en) 1969-08-25

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