CH572898A5 - - Google Patents
Info
- Publication number
- CH572898A5 CH572898A5 CH443572A CH443572A CH572898A5 CH 572898 A5 CH572898 A5 CH 572898A5 CH 443572 A CH443572 A CH 443572A CH 443572 A CH443572 A CH 443572A CH 572898 A5 CH572898 A5 CH 572898A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
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- 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
- C07C227/38—Separation; Purification; Stabilisation; Use of additives
- C07C227/40—Separation; Purification
- C07C227/42—Crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712115529 DE2115529A1 (de) | 1971-03-31 | 1971-03-31 | Verfahren zur Gewinnung von L(-)-3,4-Dihydroxyphenylalanin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH572898A5 true CH572898A5 (OSRAM) | 1976-02-27 |
Family
ID=5803330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH443572A CH572898A5 (OSRAM) | 1971-03-31 | 1972-03-24 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH572898A5 (OSRAM) |
| DE (1) | DE2115529A1 (OSRAM) |
| FR (1) | FR2132287B1 (OSRAM) |
| GB (1) | GB1364982A (OSRAM) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1241405A (en) * | 1969-04-23 | 1971-08-04 | Ajinomoto Kk | Resolution of phenylalanine derivatives |
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1971
- 1971-03-31 DE DE19712115529 patent/DE2115529A1/de active Pending
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1972
- 1972-03-24 CH CH443572A patent/CH572898A5/xx not_active IP Right Cessation
- 1972-03-30 FR FR7211354A patent/FR2132287B1/fr not_active Expired
- 1972-03-30 GB GB1522472A patent/GB1364982A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2132287B1 (OSRAM) | 1975-10-10 |
| FR2132287A1 (OSRAM) | 1972-11-17 |
| DE2115529A1 (de) | 1972-10-05 |
| GB1364982A (en) | 1974-08-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |