ES401311A1 - 3,4-disubstituted 2 5h-furanones - Google Patents

3,4-disubstituted 2 5h-furanones

Info

Publication number
ES401311A1
ES401311A1 ES401311A ES401311A ES401311A1 ES 401311 A1 ES401311 A1 ES 401311A1 ES 401311 A ES401311 A ES 401311A ES 401311 A ES401311 A ES 401311A ES 401311 A1 ES401311 A1 ES 401311A1
Authority
ES
Spain
Prior art keywords
formula
furanones
disubstituted
coor2
phenyl
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
ES401311A
Other languages
Spanish (es)
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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 Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of ES401311A1 publication Critical patent/ES401311A1/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic 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
    • C07D307/56Heterocyclic 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
    • C07D307/68Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen

Landscapes

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

Abstract

Process for obtaining 3,4-disubstituted 2 (5ii) -furanones of formula I **(See formula)** wherein R is C 1 -alkyl, phenyl, optionally substituted one or more times by phenyl, optionally halogenated, halogen, NO2, Cf3 CN, R1 and/or OR2, or optionally substituted by chlorine, X means Cn or COOR2 and R2 means alkyl with 1 to 4 carbon atoms, characterized in that a compound of formula II R1-CO-Cl-OCOCH3 (II) Where R1 has the meaning indicated above, it is reacted in a polar solvent, in the presence of a basic condensation medium, with a compound of formula III X-CH2-COOR2 (III) where X and R2 have the meaning indicated above. (Machine-translation by Google Translate, not legally binding)
ES401311A 1971-04-03 1972-03-29 3,4-disubstituted 2 5h-furanones Expired ES401311A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712116416 DE2116416A1 (en) 1971-04-03 1971-04-03 Process for the preparation of 3,4-disubstituted "(5H) -furanones

Publications (1)

Publication Number Publication Date
ES401311A1 true ES401311A1 (en) 1975-02-16

Family

ID=5803815

Family Applications (1)

Application Number Title Priority Date Filing Date
ES401311A Expired ES401311A1 (en) 1971-04-03 1972-03-29 3,4-disubstituted 2 5h-furanones

Country Status (6)

Country Link
DE (1) DE2116416A1 (en)
DK (1) DK128002B (en)
ES (1) ES401311A1 (en)
FR (1) FR2132232B1 (en)
GB (1) GB1329678A (en)
IL (1) IL38873A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845037C2 (en) * 1978-10-16 1980-12-11 Fa. Dr. Willmar Schwabe, 7500 Karlsruhe Process for the production of tetronic acid methyl ester

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3468912A (en) * 1966-06-06 1969-09-23 Eastman Kodak Co 3-cyano 2(5h) furanones and their preparation

Also Published As

Publication number Publication date
IL38873A0 (en) 1972-05-30
GB1329678A (en) 1973-09-12
DE2116416A1 (en) 1972-10-19
FR2132232A1 (en) 1972-11-17
FR2132232B1 (en) 1976-08-06
DK128002B (en) 1974-02-18
IL38873A (en) 1975-06-25

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