DK128002B - Fremgangsmåde til fremstilling af 3,4-disubstituerede 2(5H)-furanoner. - Google Patents

Fremgangsmåde til fremstilling af 3,4-disubstituerede 2(5H)-furanoner.

Info

Publication number
DK128002B
DK128002B DK154172AA DK154172A DK128002B DK 128002 B DK128002 B DK 128002B DK 154172A A DK154172A A DK 154172AA DK 154172 A DK154172 A DK 154172A DK 128002 B DK128002 B DK 128002B
Authority
DK
Denmark
Prior art keywords
furanones
disubstituted
preparation
Prior art date
Application number
DK154172AA
Other languages
English (en)
Inventor
D Erdmann
K Schuehrer
W Koch
G Schneider
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 DK128002B publication Critical patent/DK128002B/da

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
    • C07D307/68—Carbon 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)
DK154172AA 1971-04-03 1972-03-29 Fremgangsmåde til fremstilling af 3,4-disubstituerede 2(5H)-furanoner. DK128002B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712116416 DE2116416A1 (de) 1971-04-03 1971-04-03 Verfahren zur Herstellung von 3,4disubstituierten "(5H)-Furanonen

Publications (1)

Publication Number Publication Date
DK128002B true DK128002B (da) 1974-02-18

Family

ID=5803815

Family Applications (1)

Application Number Title Priority Date Filing Date
DK154172AA DK128002B (da) 1971-04-03 1972-03-29 Fremgangsmåde til fremstilling af 3,4-disubstituerede 2(5H)-furanoner.

Country Status (6)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845037C2 (de) * 1978-10-16 1980-12-11 Fa. Dr. Willmar Schwabe, 7500 Karlsruhe Verfahren zur Herstellung von Tetronsäuremethylester

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
DE2116416A1 (de) 1972-10-19
IL38873A (en) 1975-06-25
FR2132232B1 (da) 1976-08-06
IL38873A0 (en) 1972-05-30
ES401311A1 (es) 1975-02-16
FR2132232A1 (da) 1972-11-17
GB1329678A (en) 1973-09-12

Similar Documents

Publication Publication Date Title
DK133751B (da) Analogifremgangsmåde til fremstilling af benzopyraner.
DK132321B (da) Analogifremgangsmåde til fremstilling af usymmetriske 1,4-dihydropyridiner.
DK136718B (da) Analogifremgangsmåde til fremstilling af substituerede hexahydro-dibenzo(b,d)-pyran-9-oner.
DK136719B (da) Analogifremgangsmåde til fremstilling af substituerede hexahydro-dibenzo(b,d)-pyraner.
DK132174B (da) Analogifremgangsmåde til fremstilling af 2,4-diamino-5-benzylpyrimider.
DK139678B (da) Fremgangsmåde til fremstilling af 2,2,6,6-tetramethyl-4-oxopiperidin.
DK120439B (da) Fremgangsmåde til fremstilling af 1,5-disubstituerede 4-cyanopyrazoler.
DK140842B (da) Fremgangsmåde til fremstilling af 8,9-didebydro-10alfa-alkoxy-ergolener.
DK140406B (da) Fremgangsmåde til fremstilling af 2,2,6,6-tetramethyl-4-oxopiperidin.
DK123232B (da) Analogifremgangsmåde til fremstilling af 3-alkoxy-17α-propinylestra-1,3,5(10)-trien-17β-oler.
DK131036B (da) Analogifremgangsmåde til fremstilling af 3,16alfa,17xi-trihydroxy-11beta-alkoxyestra-1,3,5(10)-triener.
DK132221B (da) Fremgangsmåde til fremstilling af 2,4-diamino-5-benzylpyrimider.
DK127812B (da) Analogifremgangsmåde til fremstilling af 3,5-dibrom-zearalan.
DK127778B (da) Fremgangsmåde til fremstilling af 3',4'-dideoxy-kenamycin B.
DK131855B (da) Fremgangsmåde til fremstilling af 3,4-dihydropyridoner.
DK126504B (da) Fremgangsmåde til fremstilling af 1,2-disubstituerede 4-pyrazolidinoler.
DK123353B (da) Analogifremgangsmåde til fremstilling af 6,7-methylen-20-spirox-4-en-3-on-forbindelser.
DK130987B (da) Analogifremgangsmåde til fremstilling af 15alfa,16alfa-methylen-4-androsten-3-oner.
DK128002B (da) Fremgangsmåde til fremstilling af 3,4-disubstituerede 2(5H)-furanoner.
DK128736B (da) Analogifremgangsmåde til fremstilling af 3,17β-dialkoxy-estra-1,3,5(10)-triener.
DK130308B (da) Fremgangsmåde til fremstilling af 13β-alkylgona-4,9,11-triener.
DK131189B (da) Analogifremgangsmåde til fremstilling af 16-hydroxylerede 17alfa-ethynyl-17beta-hydroxy-13beta-alkylgona-4,9,11-trien-3-oner.
DK123818B (da) Fremgangsmåde til fremstilling af 14β-hydroxy-card-20(22)-enolider eller -bufa-20,20-dienolider.
DK132329B (da) Fremgangsmåde til fremstilling af cardenolid-3,alfa-/2'-desoxy-glycosider/.
DK129345B (da) Analogifremgangsmåde til fremstilling af 22-fluor-3'''-acyldigoxiner.