CH574951A5 - - Google Patents
Info
- Publication number
- CH574951A5 CH574951A5 CH202373A CH202373A CH574951A5 CH 574951 A5 CH574951 A5 CH 574951A5 CH 202373 A CH202373 A CH 202373A CH 202373 A CH202373 A CH 202373A CH 574951 A5 CH574951 A5 CH 574951A5
- Authority
- CH
- Switzerland
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Furan Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2207098A DE2207098C2 (de) | 1972-02-16 | 1972-02-16 | Verfahren zur Herstellung von 2,5-Dimethyl-furan-3-carbon-säureestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH574951A5 true CH574951A5 (de) | 1976-04-30 |
Family
ID=5836028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH202373A CH574951A5 (de) | 1972-02-16 | 1973-02-13 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3919261A (de) |
| JP (1) | JPS5749551B2 (de) |
| BE (1) | BE795524A (de) |
| CH (1) | CH574951A5 (de) |
| CS (1) | CS180612B2 (de) |
| DE (1) | DE2207098C2 (de) |
| DK (1) | DK130976B (de) |
| FR (1) | FR2172141B1 (de) |
| GB (1) | GB1411173A (de) |
| HU (1) | HU165489B (de) |
| IL (1) | IL41439A (de) |
| IT (1) | IT977158B (de) |
| NL (1) | NL176457C (de) |
| SE (1) | SE377122B (de) |
| SU (1) | SU485595A3 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751394B2 (de) * | 1974-04-30 | 1982-11-01 | ||
| US4198341A (en) * | 1977-09-08 | 1980-04-15 | Dynamit Nobel Aktiengesellschaft | 2,5,5-Trimethyl-3-carbalkoxy-4(β,β-dihalovinyl)-4,5-dihydrofurans |
| DE2826013A1 (de) * | 1978-06-14 | 1980-01-03 | Basf Ag | Verfahren zur herstellung von 2,5-dimethylfuran-3-carbonsaeurealkylestern |
| DE3227388A1 (de) * | 1982-07-22 | 1984-01-26 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (alpha)-substituierten ss-dicarbonyl-, ss-cyancarbonyl- und ss-dicyanverbindungen |
| CN101486696B (zh) * | 2009-02-27 | 2011-05-25 | 西南大学 | 2,5-二甲基呋喃-3,4-二甲酸的制备方法 |
| US8324409B2 (en) | 2010-04-23 | 2012-12-04 | The Board Of Trustees Of The University Of Illinois | Efficient method for preparing 2,5-dimethylfuran |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA932334A (en) * | 1969-02-13 | 1973-08-21 | Kulka Marshall | Furan-3-carboxamide derivatives and method of preparing same |
-
0
- BE BE795524D patent/BE795524A/xx not_active IP Right Cessation
-
1972
- 1972-02-16 DE DE2207098A patent/DE2207098C2/de not_active Expired
-
1973
- 1973-01-31 US US328480A patent/US3919261A/en not_active Expired - Lifetime
- 1973-01-31 IL IL41439A patent/IL41439A/en unknown
- 1973-02-01 JP JP48012495A patent/JPS5749551B2/ja not_active Expired
- 1973-02-01 IT IT48012/73A patent/IT977158B/it active
- 1973-02-06 NL NLAANVRAGE7301666,A patent/NL176457C/xx not_active IP Right Cessation
- 1973-02-12 FR FR7304820A patent/FR2172141B1/fr not_active Expired
- 1973-02-13 CH CH202373A patent/CH574951A5/xx not_active IP Right Cessation
- 1973-02-14 SE SE7302087A patent/SE377122B/xx unknown
- 1973-02-14 HU HUBA2871A patent/HU165489B/hu unknown
- 1973-02-14 SU SU1884212A patent/SU485595A3/ru active
- 1973-02-15 DK DK81073AA patent/DK130976B/da unknown
- 1973-02-15 GB GB742873A patent/GB1411173A/en not_active Expired
- 1973-02-15 CS CS7300001104A patent/CS180612B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3919261A (en) | 1975-11-11 |
| SU485595A3 (ru) | 1975-09-25 |
| JPS5749551B2 (de) | 1982-10-22 |
| SE377122B (de) | 1975-06-23 |
| DE2207098A1 (de) | 1973-08-23 |
| DE2207098C2 (de) | 1983-03-24 |
| DK130976C (de) | 1975-10-13 |
| BE795524A (fr) | 1973-08-16 |
| CS180612B2 (en) | 1978-01-31 |
| NL176457C (nl) | 1985-04-16 |
| JPS4891054A (de) | 1973-11-27 |
| DK130976B (da) | 1975-05-12 |
| NL176457B (nl) | 1984-11-16 |
| HU165489B (de) | 1974-09-28 |
| IT977158B (it) | 1974-09-10 |
| FR2172141A1 (de) | 1973-09-28 |
| FR2172141B1 (de) | 1978-05-26 |
| NL7301666A (de) | 1973-08-20 |
| IL41439A (en) | 1976-03-31 |
| IL41439A0 (en) | 1973-03-30 |
| GB1411173A (en) | 1975-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |