FR2074022A5 - - Google Patents
Info
- Publication number
- FR2074022A5 FR2074022A5 FR7045837A FR7045837A FR2074022A5 FR 2074022 A5 FR2074022 A5 FR 2074022A5 FR 7045837 A FR7045837 A FR 7045837A FR 7045837 A FR7045837 A FR 7045837A FR 2074022 A5 FR2074022 A5 FR 2074022A5
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/30—Preparation of optical isomers
- C07C227/34—Preparation of optical isomers by separation of optical isomers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C229/34—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
- C07C229/36—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings with at least one amino group and one carboxyl group bound to the same carbon atom of the carbon skeleton
-
- 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
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)
- Analytical Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1963991A DE1963991C3 (de) | 1969-12-20 | 1969-12-20 | Verfahren zur Gewinnung eines Derivates von L-3,4-dihydroxyphenylalanin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2074022A5 true FR2074022A5 (fr) | 1971-10-01 |
Family
ID=5754513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7045837A Expired FR2074022A5 (fr) | 1969-12-20 | 1970-12-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3796750A (fr) |
| JP (1) | JPS5422967B1 (fr) |
| DE (1) | DE1963991C3 (fr) |
| FR (1) | FR2074022A5 (fr) |
| GB (1) | GB1280614A (fr) |
| SE (1) | SE383735B (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0175840A2 (fr) * | 1984-09-25 | 1986-04-02 | Degussa Aktiengesellschaft | Procédé de racémisation d'acides D(L)-alpha-aminocarboxyliques N-acétyl |
| WO1996011173A2 (fr) * | 1994-10-07 | 1996-04-18 | Chiroscience Limited | Racemisation de precurseurs de levobupivacaine et analogues desdits precurseurs |
| US6156900A (en) * | 1994-10-07 | 2000-12-05 | Darwin Discovery Limited | Racemization of precursors to levobupivacaine and analogues thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3891696A (en) * | 1973-11-02 | 1975-06-24 | Interx Research Corp | Novel, transient pro-drug forms of l-dopa |
| DE3334849A1 (de) * | 1983-09-27 | 1985-04-04 | Hoechst Ag, 6230 Frankfurt | Verfahren zur racemisierung optisch aktiver aminosaeuren |
| DE3817191A1 (de) * | 1988-05-20 | 1989-11-30 | Hoechst Ag | Verfahren zur racemisierung von optisch aktiver d-2-n-phenacetylamino-4- methylphosphinobuttersaeure |
-
1969
- 1969-12-20 DE DE1963991A patent/DE1963991C3/de not_active Expired
-
1970
- 1970-12-18 US US00099530A patent/US3796750A/en not_active Expired - Lifetime
- 1970-12-18 SE SE7017231A patent/SE383735B/xx unknown
- 1970-12-18 FR FR7045837A patent/FR2074022A5/fr not_active Expired
- 1970-12-18 GB GB60344/70A patent/GB1280614A/en not_active Expired
- 1970-12-21 JP JP11501770A patent/JPS5422967B1/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0175840A2 (fr) * | 1984-09-25 | 1986-04-02 | Degussa Aktiengesellschaft | Procédé de racémisation d'acides D(L)-alpha-aminocarboxyliques N-acétyl |
| EP0175840A3 (en) * | 1984-09-25 | 1987-03-25 | Degussa Aktiengesellschaft | Racemisation process of n-acetyl-d(l)-alpha-amino-carboxylic-acids |
| WO1996011173A2 (fr) * | 1994-10-07 | 1996-04-18 | Chiroscience Limited | Racemisation de precurseurs de levobupivacaine et analogues desdits precurseurs |
| WO1996011173A3 (fr) * | 1994-10-07 | 1996-07-04 | Chiroscience Ltd | Racemisation de precurseurs de levobupivacaine et analogues desdits precurseurs |
| US6156900A (en) * | 1994-10-07 | 2000-12-05 | Darwin Discovery Limited | Racemization of precursors to levobupivacaine and analogues thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| SE383735B (sv) | 1976-03-29 |
| JPS5422967B1 (fr) | 1979-08-10 |
| US3796750A (en) | 1974-03-12 |
| GB1280614A (en) | 1972-07-05 |
| DE1963991B2 (de) | 1974-09-26 |
| DE1963991A1 (de) | 1971-07-15 |
| DE1963991C3 (de) | 1975-05-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |