BE497974A - - Google Patents
Info
- Publication number
- BE497974A BE497974A BE497974DA BE497974A BE 497974 A BE497974 A BE 497974A BE 497974D A BE497974D A BE 497974DA BE 497974 A BE497974 A BE 497974A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/273—2-Pyrrolidones with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms
- C07D207/277—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D207/28—2-Pyrrolidone-5- carboxylic acids; Functional derivatives thereof, e.g. esters, nitriles
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US790678A US2528047A (en) | 1947-12-09 | 1947-12-09 | Recovery of glutamic compounds from glutamine contained in an impure solution thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE497974A true BE497974A (sh) | 1951-01-02 |
Family
ID=25151435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE497974D BE497974A (sh) | 1947-12-09 | 1950-09-07 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2528047A (sh) |
| BE (1) | BE497974A (sh) |
| FR (1) | FR1025102A (sh) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2700054A (en) * | 1950-04-06 | 1955-01-18 | Dow Chemical Co | Isolation of amino acids |
| US2666080A (en) * | 1950-11-03 | 1954-01-12 | Wise Potato Chip Co | Method of producing protein hydrolizate from potatoes and potato waste |
| US2680744A (en) * | 1951-02-24 | 1954-06-08 | Merck & Co Inc | Process for preparing therapeutic amino acids solutions |
| US2742482A (en) * | 1951-11-08 | 1956-04-17 | Int Minerals & Chem Corp | Purification process |
| US2738353A (en) * | 1951-11-24 | 1956-03-13 | Int Minerals & Chem Corp | Purification and recovery of pyrrolidone carboxylic acid |
| US2813103A (en) * | 1954-04-13 | 1957-11-12 | Alexander M Zenzes | Process of treatment of vinasses containing pyrrolidone carboxylic acid |
| US2829159A (en) * | 1956-03-19 | 1958-04-01 | Du Pont | Conversion of pyroglutamic acid to glutamic acid |
| CH359445A (fr) * | 1956-07-19 | 1962-01-15 | Kyowa Hakko Kogyo Kk | Procédé pour séparer et concentrer l'acide glutamique |
| US3325539A (en) * | 1962-11-19 | 1967-06-13 | Merck & Co Inc | Ion exchange process for removing glutamic acid from a fermentation broth |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2375164A (en) * | 1942-02-17 | 1945-05-01 | Great Western Sugar Co | Recovery of betaine and betaine salts from sugar beet wastes |
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1947
- 1947-12-09 US US790678A patent/US2528047A/en not_active Expired - Lifetime
-
1950
- 1950-09-05 FR FR1025102D patent/FR1025102A/fr not_active Expired
- 1950-09-07 BE BE497974D patent/BE497974A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2528047A (en) | 1950-10-31 |
| FR1025102A (fr) | 1953-04-10 |