DD106816A1 - - Google Patents
Info
- Publication number
- DD106816A1 DD106816A1 DD16644272A DD16644272A DD106816A1 DD 106816 A1 DD106816 A1 DD 106816A1 DD 16644272 A DD16644272 A DD 16644272A DD 16644272 A DD16644272 A DD 16644272A DD 106816 A1 DD106816 A1 DD 106816A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/08—Hydrogen atoms or radicals containing only hydrogen and carbon atoms
- C07D333/10—Thiophene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16644272A DD106816A1 (xx) | 1972-10-23 | 1972-10-23 | |
| DE19732341954 DE2341954A1 (de) | 1972-10-23 | 1973-08-20 | Verfahren zur abtrennung von thiophen aus gemischen mit benzol |
| FR7337761A FR2203818A1 (en) | 1972-10-23 | 1973-10-23 | Thiophene sepn from benzene contg mixts - by selective extn with N-alkyl-epsilon-caprolactam, pref. methyl caprolactam, and extractive distn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16644272A DD106816A1 (xx) | 1972-10-23 | 1972-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD106816A1 true DD106816A1 (xx) | 1974-07-05 |
Family
ID=5488659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD16644272A DD106816A1 (xx) | 1972-10-23 | 1972-10-23 |
Country Status (3)
| Country | Link |
|---|---|
| DD (1) | DD106816A1 (xx) |
| DE (1) | DE2341954A1 (xx) |
| FR (1) | FR2203818A1 (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3700247A1 (de) * | 1987-01-07 | 1988-07-21 | Basf Ag | Verfahren zur entfernung von nicht mit wasser mischbaren loesungsmitteln aus solche enthaltenden abgasen |
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1972
- 1972-10-23 DD DD16644272A patent/DD106816A1/xx unknown
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1973
- 1973-08-20 DE DE19732341954 patent/DE2341954A1/de active Pending
- 1973-10-23 FR FR7337761A patent/FR2203818A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2203818A1 (en) | 1974-05-17 |
| FR2203818B3 (xx) | 1976-09-17 |
| DE2341954A1 (de) | 1974-04-25 |