ATE427T1 - PROCESS FOR THE PREPARATION OF TETRONIC ACID METHYL ESTER. - Google Patents

PROCESS FOR THE PREPARATION OF TETRONIC ACID METHYL ESTER.

Info

Publication number
ATE427T1
ATE427T1 AT79103978T AT79103978T ATE427T1 AT E427 T1 ATE427 T1 AT E427T1 AT 79103978 T AT79103978 T AT 79103978T AT 79103978 T AT79103978 T AT 79103978T AT E427 T1 ATE427 T1 AT E427T1
Authority
AT
Austria
Prior art keywords
preparation
methyl ester
acid methyl
tetronic acid
tetronic
Prior art date
Application number
AT79103978T
Other languages
German (de)
Inventor
Andrew Dr. Pelter
Original Assignee
Dr. Willmar Schwabe
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 Dr. Willmar Schwabe filed Critical Dr. Willmar Schwabe
Application granted granted Critical
Publication of ATE427T1 publication Critical patent/ATE427T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/60—Two oxygen atoms, e.g. succinic anhydride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

1. Process for preparing methyl tetronate, characterized in that a lower alkyl 4-bromo-3-methoxybut-2-encarboxylate is heated in an organic solvent with a Lewis acid as catalyst.
AT79103978T 1978-10-16 1979-10-15 PROCESS FOR THE PREPARATION OF TETRONIC ACID METHYL ESTER. ATE427T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2845037A DE2845037C2 (en) 1978-10-16 1978-10-16 Process for the production of tetronic acid methyl ester
EP79103978A EP0010288B1 (en) 1978-10-16 1979-10-15 Process for preparing a tetronic acid methyl ester

Publications (1)

Publication Number Publication Date
ATE427T1 true ATE427T1 (en) 1981-12-15

Family

ID=6052323

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79103978T ATE427T1 (en) 1978-10-16 1979-10-15 PROCESS FOR THE PREPARATION OF TETRONIC ACID METHYL ESTER.

Country Status (4)

Country Link
EP (1) EP0010288B1 (en)
JP (1) JPS5589275A (en)
AT (1) ATE427T1 (en)
DE (1) DE2845037C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59006113D1 (en) * 1989-07-20 1994-07-21 Lonza Ag Process for the preparation of tetronic acid alkyl esters.
AU666729B2 (en) * 1992-06-11 1996-02-22 Lonza Ltd Process for preparing tetronic acid alkyl esters

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2116416A1 (en) * 1971-04-03 1972-10-19 Merck Patent Gmbh, 6100 Darmstadt Process for the preparation of 3,4-disubstituted "(5H) -furanones
DE2154439C3 (en) * 1971-11-02 1975-10-02 H.F. & Ph. F. Reemtsma, 2000 Hamburg Process for the preparation of substituted delta alpha, beta-butenolides by cyclization of 4-acyloxybutene-2 acid esters
JPS52100463A (en) * 1976-02-19 1977-08-23 Sumitomo Chem Co Ltd Gamma-lactone and method of preparing same
DE2731483A1 (en) * 1976-07-15 1978-01-19 Ciba Geigy Ag di:halovinyl substd. gamma-lactone cpds. - which are intermediates for pyrethroid pesticides and prepd. from a (1,1,1)-tri:halo-(3)-pentene-(2)-ol and ethyl ortho-acetate

Also Published As

Publication number Publication date
EP0010288B1 (en) 1981-11-25
DE2845037B1 (en) 1980-04-17
JPS5589275A (en) 1980-07-05
DE2845037C2 (en) 1980-12-11
EP0010288A1 (en) 1980-04-30

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