FR2122508A1 - - Google Patents
Info
- Publication number
- FR2122508A1 FR2122508A1 FR7201665A FR7201665A FR2122508A1 FR 2122508 A1 FR2122508 A1 FR 2122508A1 FR 7201665 A FR7201665 A FR 7201665A FR 7201665 A FR7201665 A FR 7201665A FR 2122508 A1 FR2122508 A1 FR 2122508A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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 |
|---|---|---|---|
| US10837671A | 1971-01-21 | 1971-01-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2122508A1 true FR2122508A1 (en) | 1972-09-01 |
| FR2122508B1 FR2122508B1 (en) | 1977-04-01 |
Family
ID=22321862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7201665A Expired FR2122508B1 (en) | 1971-01-21 | 1972-01-19 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE778261A (en) |
| CA (1) | CA943965A (en) |
| DE (1) | DE2200600A1 (en) |
| FR (1) | FR2122508B1 (en) |
| GB (1) | GB1336402A (en) |
| IT (1) | IT946461B (en) |
| NL (1) | NL7200682A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2463126A1 (en) * | 1979-08-10 | 1981-02-20 | Chevron Res | Conversion of succinonitrile to 2-pyrrolidone - by hydrolysis followed by hydrogenation over a heterogeneous catalyst |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4139607A1 (en) * | 1991-11-30 | 1993-06-03 | Basf Ag | METHOD FOR PRODUCING N-SUBSTITUTED LACTAMES |
| DE4203527A1 (en) * | 1992-02-07 | 1993-08-12 | Akzo Nv | METHOD FOR THE PRODUCTION OF PYRROLIDONE AND N-ALKYLPYRROLIDONE |
| DE19520258A1 (en) * | 1995-06-02 | 1996-12-05 | Bayer Ag | Process for the preparation of 2-pyrrolidones |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1439192A (en) * | 1965-04-07 | 1966-05-20 | Rhone Poulenc Sa | Process for the preparation of nu-substituted alpha-pyrrolidones |
-
1971
- 1971-11-02 CA CA126,666A patent/CA943965A/en not_active Expired
-
1972
- 1972-01-07 DE DE19722200600 patent/DE2200600A1/en active Pending
- 1972-01-11 IT IT1923372A patent/IT946461B/en active
- 1972-01-18 NL NL7200682A patent/NL7200682A/xx unknown
- 1972-01-19 FR FR7201665A patent/FR2122508B1/fr not_active Expired
- 1972-01-20 BE BE778261A patent/BE778261A/en unknown
- 1972-01-21 GB GB298572A patent/GB1336402A/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1439192A (en) * | 1965-04-07 | 1966-05-20 | Rhone Poulenc Sa | Process for the preparation of nu-substituted alpha-pyrrolidones |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2463126A1 (en) * | 1979-08-10 | 1981-02-20 | Chevron Res | Conversion of succinonitrile to 2-pyrrolidone - by hydrolysis followed by hydrogenation over a heterogeneous catalyst |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7200682A (en) | 1972-07-25 |
| IT946461B (en) | 1973-05-21 |
| DE2200600A1 (en) | 1972-08-10 |
| GB1336402A (en) | 1973-11-07 |
| FR2122508B1 (en) | 1977-04-01 |
| BE778261A (en) | 1972-07-20 |
| CA943965A (en) | 1974-03-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |