DK128002B - Process for the preparation of 3,4-disubstituted 2 (5H) -furanones. - Google Patents
Process for the preparation of 3,4-disubstituted 2 (5H) -furanones.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
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)
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 |
---|---|
DK128002B true DK128002B (en) | 1974-02-18 |
Family
ID=5803815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK154172AA DK128002B (en) | 1971-04-03 | 1972-03-29 | Process for the preparation of 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)
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)
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 |
-
1971
- 1971-04-03 DE DE19712116416 patent/DE2116416A1/en active Pending
-
1972
- 1972-02-25 GB GB885972A patent/GB1329678A/en not_active Expired
- 1972-03-02 IL IL38873A patent/IL38873A/en unknown
- 1972-03-29 DK DK154172AA patent/DK128002B/en unknown
- 1972-03-29 ES ES401311A patent/ES401311A1/en not_active Expired
- 1972-03-30 FR FR7211223A patent/FR2132232B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IL38873A0 (en) | 1972-05-30 |
FR2132232B1 (en) | 1976-08-06 |
ES401311A1 (en) | 1975-02-16 |
DE2116416A1 (en) | 1972-10-19 |
GB1329678A (en) | 1973-09-12 |
FR2132232A1 (en) | 1972-11-17 |
IL38873A (en) | 1975-06-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK133751B (en) | Analogous process for the preparation of benzopyrans. | |
DK132321B (en) | Analogous process for the preparation of asymmetric 1,4-dihydropyridines. | |
DK136718B (en) | Analogous process for the preparation of substituted hexahydro-dibenzo (b, d) -pyran-9-ones. | |
DK136719B (en) | Analogous process for the preparation of substituted hexahydro-dibenzo (b, d) -pyrans. | |
DK132174B (en) | Analogous process for the preparation of 2,4-diamino-5-benzylpyrimides. | |
DK139678B (en) | Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine. | |
DK120439B (en) | Process for the preparation of 1,5-disubstituted 4-cyanopyrazoles. | |
DK140842B (en) | Process for the preparation of 8,9-didebydro-10alpha-alkoxy ergolenes. | |
DK140406B (en) | Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine. | |
DK123232B (en) | Analogous process for the preparation of 3-alkoxy-17α-propinylestra-1,3,5 (10) -trien-17β-oils. | |
DK131036B (en) | Analogous process for the preparation of 3,16alpha, 17xi-trihydroxy-11beta-alkoxyestra-1,3,5 (10) -trienes. | |
DK132221B (en) | Process for the preparation of 2,4-diamino-5-benzylpyrimides. | |
DK127812B (en) | Analogous process for the preparation of 3,5-dibromo-zearalan. | |
DK127778B (en) | Process for the preparation of 3 ', 4'-dideoxy-kenamycin B. | |
DK131855B (en) | Process for the preparation of 3,4-dihydropyridones. | |
DK132329B (en) | Process for the preparation of cardenolide-3, alpha- / 2'-deoxy-glycosides /. | |
DK126504B (en) | Process for the preparation of 1,2-disubstituted 4-pyrazolidinols. | |
DK123353B (en) | Analogous process for the preparation of 6,7-methylene-20-spirox-4-en-3-one compounds. | |
DK130987B (en) | Analogous process for the preparation of 15alpha, 16alpha-methylene-4-androsten-3-ones. | |
DK128002B (en) | Process for the preparation of 3,4-disubstituted 2 (5H) -furanones. | |
DK128736B (en) | Analogous process for the preparation of 3,17β-dialkoxy-estra-1,3,5 (10) -trienes. | |
DK130308B (en) | Process for the preparation of 13β-alkylgona-4,9,11-trienes. | |
DK131189B (en) | Analogous process for the preparation of 16-hydroxylated 17alpha-ethynyl-17beta-hydroxy-13beta-alkylgona-4,9,11-trien-3-ones. | |
DK123818B (en) | Process for the preparation of 14β-hydroxy-card-20 (22) -enolides or -bufa-20,20-dienolides. | |
DK129345B (en) | Analogous process for the preparation of 22-fluoro-3 '' '- acyldigoxins. |