IT969867B - Preparazione del 2 pirrolidinone - Google Patents
Preparazione del 2 pirrolidinoneInfo
- Publication number
- IT969867B IT969867B IT30867/72A IT3086772A IT969867B IT 969867 B IT969867 B IT 969867B IT 30867/72 A IT30867/72 A IT 30867/72A IT 3086772 A IT3086772 A IT 3086772A IT 969867 B IT969867 B IT 969867B
- Authority
- IT
- Italy
- Prior art keywords
- pyrolidinone
- 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 |
|---|---|---|---|
| US19468571A | 1971-11-01 | 1971-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT969867B true IT969867B (it) | 1974-04-10 |
Family
ID=22718534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT30867/72A IT969867B (it) | 1971-11-01 | 1972-10-24 | Preparazione del 2 pirrolidinone |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3781298A (it) |
| JP (1) | JPS4856666A (it) |
| BE (1) | BE790727A (it) |
| CA (1) | CA955598A (it) |
| CH (1) | CH576442A5 (it) |
| DE (1) | DE2253486A1 (it) |
| FR (1) | FR2158341A1 (it) |
| GB (1) | GB1366187A (it) |
| IT (1) | IT969867B (it) |
| NL (1) | NL7214485A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123438A (en) * | 1975-03-05 | 1978-10-31 | Stamicarbon, B.V. | Process for preparing 2-pyrrolidones |
| US4036836A (en) * | 1975-06-30 | 1977-07-19 | Standard Oil Company | Process for producing 2-pyrrolidone |
| US3966763A (en) * | 1975-06-30 | 1976-06-29 | Standard Oil Company | Process for producing 2-pyrrolidone |
| US4904804A (en) * | 1984-07-16 | 1990-02-27 | Phillips Petroleum Company | Preparation of 2-pyrrolidone |
| US4800227A (en) * | 1984-08-20 | 1989-01-24 | Phillips Petroleum Company | Process for the production of lactams |
| 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 |
-
0
- BE BE790727D patent/BE790727A/xx unknown
-
1971
- 1971-11-01 US US00194685A patent/US3781298A/en not_active Expired - Lifetime
-
1972
- 1972-07-13 CA CA147,029A patent/CA955598A/en not_active Expired
- 1972-10-19 JP JP47104080A patent/JPS4856666A/ja active Pending
- 1972-10-20 CH CH1532772A patent/CH576442A5/xx not_active IP Right Cessation
- 1972-10-24 GB GB4891472A patent/GB1366187A/en not_active Expired
- 1972-10-24 IT IT30867/72A patent/IT969867B/it active
- 1972-10-26 NL NL7214485A patent/NL7214485A/xx unknown
- 1972-10-30 FR FR7238379A patent/FR2158341A1/fr not_active Withdrawn
- 1972-10-31 DE DE2253486A patent/DE2253486A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE790727A (fr) | 1973-04-30 |
| US3781298A (en) | 1973-12-25 |
| GB1366187A (en) | 1974-09-11 |
| CA955598A (en) | 1974-10-01 |
| DE2253486A1 (de) | 1973-05-03 |
| CH576442A5 (it) | 1976-06-15 |
| NL7214485A (it) | 1973-05-03 |
| JPS4856666A (it) | 1973-08-09 |
| FR2158341A1 (it) | 1973-06-15 |
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