ZA767519B - Pyrrolidones and process for their manufacture - Google Patents
Pyrrolidones and process for their manufactureInfo
- Publication number
- ZA767519B ZA767519B ZA767519A ZA767519A ZA767519B ZA 767519 B ZA767519 B ZA 767519B ZA 767519 A ZA767519 A ZA 767519A ZA 767519 A ZA767519 A ZA 767519A ZA 767519 B ZA767519 B ZA 767519B
- Authority
- ZA
- South Africa
- Prior art keywords
- pyrrolidones
- manufacture
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 150000004040 pyrrolidinones Chemical class 0.000 title 1
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
- C07D207/273—2-Pyrrolidones 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 other ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrrole Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752557748 DE2557748A1 (de) | 1975-12-20 | 1975-12-20 | Pyrrolidone und verfahren zu ihrer herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA767519B true ZA767519B (en) | 1977-11-30 |
Family
ID=5965131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA767519A ZA767519B (en) | 1975-12-20 | 1976-12-17 | Pyrrolidones and process for their manufacture |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4096274A (OSRAM) |
| AU (1) | AU2070476A (OSRAM) |
| BE (1) | BE849623A (OSRAM) |
| DE (1) | DE2557748A1 (OSRAM) |
| DK (1) | DK571276A (OSRAM) |
| ES (1) | ES454347A1 (OSRAM) |
| FR (1) | FR2335214A1 (OSRAM) |
| IL (1) | IL51122A0 (OSRAM) |
| IT (1) | IT1065684B (OSRAM) |
| LU (1) | LU76429A1 (OSRAM) |
| NL (1) | NL7613918A (OSRAM) |
| SE (1) | SE7614330L (OSRAM) |
| ZA (1) | ZA767519B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138408A (en) * | 1975-12-20 | 1979-02-06 | Hoechst Aktiengesellschaft | ω-Alkoxy derivatives of lactams and process for their manufacture |
| US5767624A (en) * | 1996-06-26 | 1998-06-16 | International Business Machines Corporation | Light emitting device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL130532C (OSRAM) * | 1961-02-09 | |||
| JPS5623984B2 (OSRAM) * | 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
- 1975-12-20 DE DE19752557748 patent/DE2557748A1/de active Pending
-
1976
- 1976-12-15 NL NL7613918A patent/NL7613918A/xx not_active Application Discontinuation
- 1976-12-16 US US05/751,165 patent/US4096274A/en not_active Expired - Lifetime
- 1976-12-17 AU AU20704/76A patent/AU2070476A/en not_active Expired
- 1976-12-17 ES ES454347A patent/ES454347A1/es not_active Expired
- 1976-12-17 DK DK571276A patent/DK571276A/da unknown
- 1976-12-17 IL IL51122A patent/IL51122A0/xx unknown
- 1976-12-17 LU LU76429A patent/LU76429A1/xx unknown
- 1976-12-17 IT IT30585/76A patent/IT1065684B/it active
- 1976-12-17 ZA ZA767519A patent/ZA767519B/xx unknown
- 1976-12-20 SE SE7614330A patent/SE7614330L/xx unknown
- 1976-12-20 FR FR7638398A patent/FR2335214A1/fr not_active Withdrawn
- 1976-12-20 BE BE173444A patent/BE849623A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2557748A1 (de) | 1977-06-30 |
| BE849623A (fr) | 1977-06-20 |
| ES454347A1 (es) | 1977-12-16 |
| FR2335214A1 (fr) | 1977-07-15 |
| SE7614330L (sv) | 1977-06-21 |
| IL51122A0 (en) | 1977-02-28 |
| IT1065684B (it) | 1985-03-04 |
| US4096274A (en) | 1978-06-20 |
| NL7613918A (nl) | 1977-06-22 |
| LU76429A1 (OSRAM) | 1977-07-05 |
| AU2070476A (en) | 1978-06-22 |
| DK571276A (da) | 1977-06-21 |
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