GB1364982A - Phenylalanine derivatives - Google Patents
Phenylalanine derivativesInfo
- Publication number
- GB1364982A GB1364982A GB1522472A GB1522472A GB1364982A GB 1364982 A GB1364982 A GB 1364982A GB 1522472 A GB1522472 A GB 1522472A GB 1522472 A GB1522472 A GB 1522472A GB 1364982 A GB1364982 A GB 1364982A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aqueous solution
- dihydroxyphenylalanine
- march
- crystals
- supersaturated
- Prior art date
- 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
- 150000002993 phenylalanine derivatives Chemical class 0.000 title 1
- 239000007864 aqueous solution Substances 0.000 abstract 6
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 abstract 4
- 239000013078 crystal Substances 0.000 abstract 2
- 229920006395 saturated elastomer Polymers 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- WTDRDQBEARUVNC-UHFFFAOYSA-N dopa Chemical compound OC(=O)C(N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-UHFFFAOYSA-N 0.000 abstract 1
- 238000010899 nucleation Methods 0.000 abstract 1
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
-
- 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 |
|---|---|
| GB1364982A true GB1364982A (en) | 1974-08-29 |
Family
ID=5803330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1522472A Expired GB1364982A (en) | 1971-03-31 | 1972-03-30 | Phenylalanine derivatives |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH572898A5 (enExample) |
| DE (1) | DE2115529A1 (enExample) |
| FR (1) | FR2132287B1 (enExample) |
| GB (1) | GB1364982A (enExample) |
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 |
-
1971
- 1971-03-31 DE DE19712115529 patent/DE2115529A1/de active Pending
-
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 (enExample) | 1975-10-10 |
| FR2132287A1 (enExample) | 1972-11-17 |
| CH572898A5 (enExample) | 1976-02-27 |
| DE2115529A1 (de) | 1972-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |