BE582992A - - Google Patents
Info
- Publication number
- BE582992A BE582992A BE582992DA BE582992A BE 582992 A BE582992 A BE 582992A BE 582992D A BE582992D A BE 582992DA BE 582992 A BE582992 A BE 582992A
- Authority
- BE
- Belgium
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
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL231788 | 1958-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE582992A true BE582992A (da) |
Family
ID=19751363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE582992D BE582992A (da) | 1958-09-29 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3031443A (da) |
| BE (1) | BE582992A (da) |
| CH (1) | CH408015A (da) |
| DE (1) | DE1157232B (da) |
| ES (1) | ES252069A1 (da) |
| FR (1) | FR1236262A (da) |
| GB (1) | GB867268A (da) |
| NL (2) | NL231788A (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3249590A (en) * | 1962-04-20 | 1966-05-03 | Allied Chem | Anionic polymerization of lactams with pyrimidines or pyrazines as activators |
| NL130091C (da) * | 1964-08-05 | |||
| US3687939A (en) * | 1970-06-24 | 1972-08-29 | Ciba Geigy Corp | Process for the production of 1-formyl-3-nitro-azacyclo-alkan-2-ones |
-
0
- NL NL101375D patent/NL101375C/xx active
- BE BE582992D patent/BE582992A/xx unknown
- NL NL231788D patent/NL231788A/xx unknown
-
1959
- 1959-09-10 US US839074A patent/US3031443A/en not_active Expired - Lifetime
- 1959-09-15 CH CH7824359A patent/CH408015A/de unknown
- 1959-09-16 ES ES0252069A patent/ES252069A1/es not_active Expired
- 1959-09-16 DE DEST15582A patent/DE1157232B/de active Pending
- 1959-09-18 FR FR805490A patent/FR1236262A/fr not_active Expired
- 1959-09-18 GB GB31961/59A patent/GB867268A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB867268A (en) | 1961-05-03 |
| ES252069A1 (es) | 1960-04-01 |
| NL231788A (da) | |
| NL101375C (da) | |
| FR1236262A (fr) | 1960-07-15 |
| DE1157232B (de) | 1963-11-14 |
| CH408015A (de) | 1966-02-28 |
| US3031443A (en) | 1962-04-24 |