BE843550A - Procede de preparation de 2-pyrrolidone - Google Patents
Procede de preparation de 2-pyrrolidoneInfo
- Publication number
- BE843550A BE843550A BE168432A BE168432A BE843550A BE 843550 A BE843550 A BE 843550A BE 168432 A BE168432 A BE 168432A BE 168432 A BE168432 A BE 168432A BE 843550 A BE843550 A BE 843550A
- Authority
- BE
- Belgium
- Prior art keywords
- preparation process
- pyrrolidone preparation
- pyrrolidone
- preparation
- Prior art date
Links
Classifications
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/591,878 US3966763A (en) | 1975-06-30 | 1975-06-30 | Process for producing 2-pyrrolidone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE843550A true BE843550A (fr) | 1976-10-18 |
Family
ID=24368331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE168432A BE843550A (fr) | 1975-06-30 | 1976-06-29 | Procede de preparation de 2-pyrrolidone |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3966763A (xx) |
| BE (1) | BE843550A (xx) |
| CA (1) | CA1080235A (xx) |
| DE (1) | DE2626675A1 (xx) |
| FR (1) | FR2316227A1 (xx) |
| GB (1) | GB1522726A (xx) |
| IT (1) | IT1061402B (xx) |
| NL (1) | NL7607192A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7713349A (nl) * | 1977-12-02 | 1979-06-06 | Stamicarbon | Werkwijze voor het winnen van 2-pyrrolidon. |
| NL7909230A (nl) * | 1979-12-21 | 1981-07-16 | Stamicarbon | Werkwijze voor het bereiden van een 2-pyrrolidon. |
| US5808078A (en) * | 1997-02-07 | 1998-09-15 | E. I. Dupont De Nemours And Company | Process for preparation of 1-alkyl-3-methylpiperidone-2 and 1-alkyl-5-methylpiperidone-2 |
| US6603021B2 (en) | 2001-06-18 | 2003-08-05 | Battelle Memorial Institute | Methods of making pyrrolidones |
| US7199250B2 (en) * | 2002-12-20 | 2007-04-03 | Battelle Memorial Institute | Process for producing cyclic compounds |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3095423A (en) * | 1961-02-01 | 1963-06-25 | Minnesota Mining & Mfg | Synthesis of 2-pyrrolidinone |
| DE1923063B2 (de) * | 1968-05-16 | 1974-07-25 | Sumitomo Chemical Co., Ltd., Osaka (Japan) | Verfahren zur Herstellung von alpha-Pyrrolidon |
| BE790727A (fr) * | 1971-11-01 | 1973-04-30 | Sun Research Development | Preparation de pyrrolidinone-2 |
| NL184953C (nl) * | 1975-03-05 | 1989-12-18 | Stamicarbon | Werkwijze voor de bereiding van een al of niet gesubstitueerd 2-pyrrolidinon. |
| US4042599A (en) * | 1975-06-30 | 1977-08-16 | The Standard Oil Company | Process for producing 2-pyrrolidone |
-
1975
- 1975-06-30 US US05/591,878 patent/US3966763A/en not_active Expired - Lifetime
-
1976
- 1976-05-07 CA CA251,986A patent/CA1080235A/en not_active Expired
- 1976-06-07 IT IT24019/76A patent/IT1061402B/it active
- 1976-06-15 DE DE19762626675 patent/DE2626675A1/de not_active Withdrawn
- 1976-06-16 GB GB24927/76A patent/GB1522726A/en not_active Expired
- 1976-06-29 BE BE168432A patent/BE843550A/xx unknown
- 1976-06-29 FR FR7619731A patent/FR2316227A1/fr active Granted
- 1976-06-30 NL NL7607192A patent/NL7607192A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2316227B1 (xx) | 1979-06-22 |
| NL7607192A (nl) | 1977-01-03 |
| IT1061402B (it) | 1983-02-28 |
| CA1080235A (en) | 1980-06-24 |
| FR2316227A1 (fr) | 1977-01-28 |
| GB1522726A (en) | 1978-08-31 |
| DE2626675A1 (de) | 1977-01-20 |
| US3966763A (en) | 1976-06-29 |
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