NL7800644A - Werkwijze voor de bereiding van 2-pyrrolidon. - Google Patents
Werkwijze voor de bereiding van 2-pyrrolidon.Info
- Publication number
- NL7800644A NL7800644A NL7800644A NL7800644A NL7800644A NL 7800644 A NL7800644 A NL 7800644A NL 7800644 A NL7800644 A NL 7800644A NL 7800644 A NL7800644 A NL 7800644A NL 7800644 A NL7800644 A NL 7800644A
- Authority
- NL
- Netherlands
- Prior art keywords
- pyrrolidone
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
- C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrrole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7800644A NL7800644A (nl) | 1978-01-19 | 1978-01-19 | Werkwijze voor de bereiding van 2-pyrrolidon. |
| GB791179A GB2012748B (en) | 1978-01-19 | 1979-01-12 | Process for preparing 2-pyrrolidone |
| BE0/192889A BE873470A (nl) | 1978-01-19 | 1979-01-15 | Werkwijze voor de bereiding van 2-pyrrolidon |
| CA319,684A CA1101429A (en) | 1978-01-19 | 1979-01-16 | Process for preparing 2-pyrrolidone |
| IT47685/79A IT1114715B (it) | 1978-01-19 | 1979-01-17 | Procedimento per la produzione di 2-pirrolidone e prodotto ottenuto |
| FR7901088A FR2415100A1 (fr) | 1978-01-19 | 1979-01-17 | Procede de preparation de 2-pyrrolidone |
| JP443479A JPS54112858A (en) | 1978-01-19 | 1979-01-18 | Manufacture of 22pyrrolidone |
| DE19792901912 DE2901912A1 (de) | 1978-01-19 | 1979-01-18 | Verfahren zur herstellung von 2-pyrrolidon |
| ES476964A ES476964A1 (es) | 1978-01-19 | 1979-01-18 | Un procedimiento para preparar 2-pirrolidona. |
| US06/004,474 US4193925A (en) | 1978-01-19 | 1979-01-18 | Process for preparing 2-pyrrolidone |
| SU792712904A SU942591A3 (ru) | 1978-01-19 | 1979-01-19 | Способ получени 2-пирролидона |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7800644A NL7800644A (nl) | 1978-01-19 | 1978-01-19 | Werkwijze voor de bereiding van 2-pyrrolidon. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7800644A true NL7800644A (nl) | 1979-07-23 |
Family
ID=19830180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7800644A NL7800644A (nl) | 1978-01-19 | 1978-01-19 | Werkwijze voor de bereiding van 2-pyrrolidon. |
Country Status (11)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7902537A (nl) * | 1979-04-01 | 1980-10-03 | Stamicarbon | Werkwijze voor de bereiding van een eventueel c-gesubstitueerd 2-pyrrolidon en daarbij te gebruiken katalysator. |
| NL7909230A (nl) * | 1979-12-21 | 1981-07-16 | Stamicarbon | Werkwijze voor het bereiden van een 2-pyrrolidon. |
| US20040180900A1 (en) * | 2001-05-23 | 2004-09-16 | Masaharu Takigawa | Therapeutic composition for repairing chondropathy |
| WO2005111007A1 (ja) * | 2004-05-17 | 2005-11-24 | Otsuka Pharmaceutical Co., Ltd. | チアゾール化合物及びその用途 |
| EP2623608B1 (en) | 2010-09-30 | 2018-06-13 | Daesang Corporation | Method for preparing 2-pyrrolidone using biomass |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123438A (en) * | 1975-03-05 | 1978-10-31 | Stamicarbon, B.V. | Process for preparing 2-pyrrolidones |
-
1978
- 1978-01-19 NL NL7800644A patent/NL7800644A/xx not_active Application Discontinuation
-
1979
- 1979-01-12 GB GB791179A patent/GB2012748B/en not_active Expired
- 1979-01-15 BE BE0/192889A patent/BE873470A/xx not_active IP Right Cessation
- 1979-01-16 CA CA319,684A patent/CA1101429A/en not_active Expired
- 1979-01-17 FR FR7901088A patent/FR2415100A1/fr active Granted
- 1979-01-17 IT IT47685/79A patent/IT1114715B/it active
- 1979-01-18 DE DE19792901912 patent/DE2901912A1/de active Granted
- 1979-01-18 ES ES476964A patent/ES476964A1/es not_active Expired
- 1979-01-18 US US06/004,474 patent/US4193925A/en not_active Expired - Lifetime
- 1979-01-18 JP JP443479A patent/JPS54112858A/ja active Granted
- 1979-01-19 SU SU792712904A patent/SU942591A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2415100A1 (fr) | 1979-08-17 |
| GB2012748B (en) | 1982-04-28 |
| BE873470A (nl) | 1979-07-16 |
| ES476964A1 (es) | 1979-06-16 |
| FR2415100B1 (US20110009641A1-20110113-C00185.png) | 1983-07-22 |
| SU942591A3 (ru) | 1982-07-07 |
| US4193925A (en) | 1980-03-18 |
| DE2901912C2 (US20110009641A1-20110113-C00185.png) | 1987-12-10 |
| IT7947685A0 (it) | 1979-01-17 |
| IT1114715B (it) | 1986-01-27 |
| DE2901912A1 (de) | 1979-07-26 |
| GB2012748A (en) | 1979-08-01 |
| JPS6339586B2 (US20110009641A1-20110113-C00185.png) | 1988-08-05 |
| CA1101429A (en) | 1981-05-19 |
| JPS54112858A (en) | 1979-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1B | A search report has been drawn up | ||
| A85 | Still pending on 85-01-01 | ||
| BC | A request for examination has been filed | ||
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: DSM N.V. |
|
| BV | The patent application has lapsed |