GB954207A - Process for preparing l-ª‡-aminolactam from a mixture of d-and l-ª‡-aminolactam - Google Patents
Process for preparing l-ª‡-aminolactam from a mixture of d-and l-ª‡-aminolactamInfo
- Publication number
- GB954207A GB954207A GB2428560A GB2428560A GB954207A GB 954207 A GB954207 A GB 954207A GB 2428560 A GB2428560 A GB 2428560A GB 2428560 A GB2428560 A GB 2428560A GB 954207 A GB954207 A GB 954207A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aminolactam
- salt
- carboxylic acid
- liquid medium
- pyrrolidone carboxylic
- 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
- 239000000203 mixture Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- 239000007788 liquid Substances 0.000 abstract 6
- ODHCTXKNWHHXJC-VKHMYHEASA-N 5-oxo-L-proline Chemical compound OC(=O)[C@@H]1CCC(=O)N1 ODHCTXKNWHHXJC-VKHMYHEASA-N 0.000 abstract 5
- 239000002798 polar solvent Substances 0.000 abstract 5
- 229940079889 pyrrolidonecarboxylic acid Drugs 0.000 abstract 4
- 150000003839 salts Chemical class 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 3
- 239000002244 precipitate Substances 0.000 abstract 3
- 150000003863 ammonium salts Chemical class 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000012452 mother liquor Substances 0.000 abstract 2
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- VBKFRQZAZWAUHX-UHFFFAOYSA-N azanium;2-oxopyrrolidine-1-carboxylate Chemical compound [NH4+].[O-]C(=O)N1CCCC1=O VBKFRQZAZWAUHX-UHFFFAOYSA-N 0.000 abstract 1
- 238000010533 azeotropic distillation Methods 0.000 abstract 1
- 150000001768 cations Chemical class 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 abstract 1
- 238000010828 elution Methods 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- NYCVCXMSZNOGDH-UHFFFAOYSA-N pyrrolidine-1-carboxylic acid Chemical compound OC(=O)N1CCCC1 NYCVCXMSZNOGDH-UHFFFAOYSA-N 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings 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
- C07D223/12—Nitrogen atoms not forming part of a nitro radical
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrrole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL241310 | 1959-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB954207A true GB954207A (en) | 1964-04-02 |
Family
ID=19751831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2428560A Expired GB954207A (en) | 1959-07-15 | 1960-07-12 | Process for preparing l-ª‡-aminolactam from a mixture of d-and l-ª‡-aminolactam |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE593068A (enrdf_load_stackoverflow) |
| CH (1) | CH391709A (enrdf_load_stackoverflow) |
| DE (1) | DE1445149A1 (enrdf_load_stackoverflow) |
| ES (1) | ES259646A1 (enrdf_load_stackoverflow) |
| FI (1) | FI40542B (enrdf_load_stackoverflow) |
| GB (1) | GB954207A (enrdf_load_stackoverflow) |
| LU (1) | LU38944A1 (enrdf_load_stackoverflow) |
| SE (1) | SE301808B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3536700A (en) * | 1966-05-07 | 1970-10-27 | Stamicarbon | Process for the purification of alpha-aminolactams |
-
1960
- 1960-07-12 GB GB2428560A patent/GB954207A/en not_active Expired
- 1960-07-13 SE SE687060A patent/SE301808B/xx unknown
- 1960-07-13 LU LU38944D patent/LU38944A1/xx unknown
- 1960-07-14 DE DE19601445149 patent/DE1445149A1/de active Pending
- 1960-07-14 CH CH805160A patent/CH391709A/de unknown
- 1960-07-14 ES ES0259646A patent/ES259646A1/es not_active Expired
- 1960-07-15 FI FI121060A patent/FI40542B/fi active
- 1960-07-15 BE BE593068A patent/BE593068A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3536700A (en) * | 1966-05-07 | 1970-10-27 | Stamicarbon | Process for the purification of alpha-aminolactams |
Also Published As
| Publication number | Publication date |
|---|---|
| BE593068A (fr) | 1960-10-31 |
| LU38944A1 (enrdf_load_stackoverflow) | 1960-10-08 |
| FI40542B (enrdf_load_stackoverflow) | 1968-11-30 |
| CH391709A (de) | 1965-05-15 |
| ES259646A1 (es) | 1960-12-16 |
| DE1445149A1 (de) | 1969-01-23 |
| SE301808B (enrdf_load_stackoverflow) | 1968-06-24 |
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