ZA767520B - Pyrrolidones and process for their manufacture - Google Patents
Pyrrolidones and process for their manufactureInfo
- Publication number
- ZA767520B ZA767520B ZA767520A ZA767520A ZA767520B ZA 767520 B ZA767520 B ZA 767520B ZA 767520 A ZA767520 A ZA 767520A ZA 767520 A ZA767520 A ZA 767520A ZA 767520 B ZA767520 B ZA 767520B
- Authority
- ZA
- South Africa
- Prior art keywords
- pyrrolidones
- manufacture
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752557335 DE2557335A1 (de) | 1975-12-19 | 1975-12-19 | Pyrrolidone und verfahren zu ihrer herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA767520B true ZA767520B (en) | 1977-11-30 |
Family
ID=5964900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA767520A ZA767520B (en) | 1975-12-19 | 1976-12-17 | Pyrrolidones and process for their manufacture |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4113874A (fr) |
| JP (1) | JPS5277059A (fr) |
| AU (1) | AU2070276A (fr) |
| BE (1) | BE849621A (fr) |
| DE (1) | DE2557335A1 (fr) |
| DK (1) | DK572376A (fr) |
| ES (2) | ES454231A1 (fr) |
| FR (1) | FR2335218A1 (fr) |
| IL (1) | IL51121A0 (fr) |
| IT (1) | IT1065682B (fr) |
| LU (1) | LU76424A1 (fr) |
| NL (1) | NL7613875A (fr) |
| SE (1) | SE7614217L (fr) |
| ZA (1) | ZA767520B (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3192210A (en) * | 1961-12-04 | 1965-06-29 | Robins Co Inc A H | 4-(omega-substituted alkyl)-3, 3-disubstituted-1-substituted-2-pyrrolidinones and 4-(omega-substituted alkyl)-3, 3-disubstituted-1-substituted-2-thionpyrrolidinones |
| JPS5623984B2 (fr) * | 1973-04-19 | 1981-06-03 | ||
| US3975399A (en) * | 1974-08-06 | 1976-08-17 | E. I. Du Pont De Nemours And Company | 1,5-Disubstituted-2-pyrrolidinones, -3-pyrrolin-2-ones, and -4-pyrrolin-2-ones |
-
1975
- 1975-12-19 DE DE19752557335 patent/DE2557335A1/de active Pending
-
1976
- 1976-12-14 NL NL7613875A patent/NL7613875A/xx not_active Application Discontinuation
- 1976-12-14 ES ES454231A patent/ES454231A1/es not_active Expired
- 1976-12-16 US US05/751,173 patent/US4113874A/en not_active Expired - Lifetime
- 1976-12-17 AU AU20702/76A patent/AU2070276A/en not_active Expired
- 1976-12-17 LU LU76424A patent/LU76424A1/xx unknown
- 1976-12-17 SE SE7614217A patent/SE7614217L/xx unknown
- 1976-12-17 IT IT30583/76A patent/IT1065682B/it active
- 1976-12-17 ZA ZA767520A patent/ZA767520B/xx unknown
- 1976-12-17 DK DK572376A patent/DK572376A/da unknown
- 1976-12-17 IL IL51121A patent/IL51121A0/xx unknown
- 1976-12-18 JP JP51151500A patent/JPS5277059A/ja active Pending
- 1976-12-20 FR FR7638403A patent/FR2335218A1/fr not_active Withdrawn
- 1976-12-20 BE BE173442A patent/BE849621A/fr unknown
-
1977
- 1977-05-06 ES ES458555A patent/ES458555A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK572376A (da) | 1977-06-20 |
| LU76424A1 (fr) | 1977-07-04 |
| JPS5277059A (en) | 1977-06-29 |
| NL7613875A (nl) | 1977-06-21 |
| BE849621A (fr) | 1977-06-20 |
| ES458555A1 (es) | 1979-09-16 |
| DE2557335A1 (de) | 1977-07-07 |
| IT1065682B (it) | 1985-03-04 |
| IL51121A0 (en) | 1977-02-28 |
| AU2070276A (en) | 1978-06-22 |
| US4113874A (en) | 1978-09-12 |
| SE7614217L (sv) | 1977-06-20 |
| FR2335218A1 (fr) | 1977-07-15 |
| ES454231A1 (es) | 1977-12-16 |
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