AT364810B - Verfahren zur auftrennung von racemischen alkalimetallsalzen der cis-2-hydroxycyclopent-4-en-en-1-yl-essigsaeure und des lactons dieser saeure - Google Patents
Verfahren zur auftrennung von racemischen alkalimetallsalzen der cis-2-hydroxycyclopent-4-en-en-1-yl-essigsaeure und des lactons dieser saeureInfo
- Publication number
- AT364810B AT364810B AT12079A AT12079A AT364810B AT 364810 B AT364810 B AT 364810B AT 12079 A AT12079 A AT 12079A AT 12079 A AT12079 A AT 12079A AT 364810 B AT364810 B AT 364810B
- Authority
- AT
- Austria
- Prior art keywords
- acid
- hydroxycyclopent
- lactone
- cis
- separating
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title 1
- 239000002253 acid Substances 0.000 title 1
- 229910052783 alkali metal Inorganic materials 0.000 title 1
- 150000001340 alkali metals Chemical class 0.000 title 1
- 150000002596 lactones Chemical class 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
- C07D307/935—Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/42—Unsaturated compounds containing hydroxy or O-metal groups
- C07C59/46—Unsaturated compounds containing hydroxy or O-metal groups containing rings other than six-membered aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUCI001801 HU177583B (en) | 1978-01-10 | 1978-01-10 | Process for resolving alkali salts and lactone of raceme cys-2-hydroxy-cyclopent-4-ene-1-yl-acetic acid with optically active alpha-phenyl-ethylamine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA12079A ATA12079A (de) | 1981-04-15 |
| AT364810B true AT364810B (de) | 1981-11-25 |
Family
ID=10994688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT12079A AT364810B (de) | 1978-01-10 | 1979-01-08 | Verfahren zur auftrennung von racemischen alkalimetallsalzen der cis-2-hydroxycyclopent-4-en-en-1-yl-essigsaeure und des lactons dieser saeure |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT364810B (de) |
| CH (1) | CH647496A5 (de) |
| GR (1) | GR65285B (de) |
| HU (1) | HU177583B (de) |
| SU (1) | SU1271370A3 (de) |
-
1978
- 1978-01-10 HU HUCI001801 patent/HU177583B/hu not_active IP Right Cessation
-
1979
- 1979-01-04 GR GR58025A patent/GR65285B/el unknown
- 1979-01-08 AT AT12079A patent/AT364810B/de not_active IP Right Cessation
- 1979-01-09 SU SU792711252A patent/SU1271370A3/ru active
- 1979-01-09 CH CH172/79A patent/CH647496A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATA12079A (de) | 1981-04-15 |
| GR65285B (en) | 1980-08-01 |
| CH647496A5 (en) | 1985-01-31 |
| HU177583B (en) | 1981-11-28 |
| SU1271370A3 (ru) | 1986-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| ELJ | Ceased due to non-payment of the annual fee | ||
| REN | Ceased due to non-payment of the annual fee |