BE788009A - Procede de recuperation de chlorhydrate de d- ou l-alpha-amino-epsilon-caprolactame de purete optique amelioree a partir de melanges de chlorhydrate de d- et l-alpha-amino-epsilon-caprolactame - Google Patents
Procede de recuperation de chlorhydrate de d- ou l-alpha-amino-epsilon-caprolactame de purete optique amelioree a partir de melanges de chlorhydrate de d- et l-alpha-amino-epsilon-caprolactameInfo
- Publication number
- BE788009A BE788009A BE788009A BE788009A BE788009A BE 788009 A BE788009 A BE 788009A BE 788009 A BE788009 A BE 788009A BE 788009 A BE788009 A BE 788009A BE 788009 A BE788009 A BE 788009A
- Authority
- BE
- Belgium
- Prior art keywords
- epsilon
- alpha
- amino
- caprolactam
- recovering
- Prior art date
Links
- LWXJCGXAYXXXRU-JEDNCBNOSA-N (3s)-3-aminoazepan-2-one;hydrochloride Chemical compound Cl.N[C@H]1CCCCNC1=O LWXJCGXAYXXXRU-JEDNCBNOSA-N 0.000 title 1
- BOWUOGIPSRVRSJ-YFKPBYRVSA-N L-2-aminohexano-6-lactam Chemical compound N[C@H]1CCCCNC1=O BOWUOGIPSRVRSJ-YFKPBYRVSA-N 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6572671A JPS4832895A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-08-27 | 1971-08-27 | |
| JP752572A JPS4876883A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-19 | 1972-01-19 | |
| JP853772A JPS4876884A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-22 | 1972-01-22 | |
| JP1547472A JPS5216117B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-02-14 | 1972-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE788009A true BE788009A (fr) | 1972-12-18 |
Family
ID=27454736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE788009A BE788009A (fr) | 1971-08-27 | 1972-08-25 | Procede de recuperation de chlorhydrate de d- ou l-alpha-amino-epsilon-caprolactame de purete optique amelioree a partir de melanges de chlorhydrate de d- et l-alpha-amino-epsilon-caprolactame |
Country Status (6)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140686A (en) * | 1975-07-17 | 1979-02-20 | Toray Industries, Inc. | Method for purifying α-amino-ε-caprolactam |
| SE451840B (sv) * | 1986-01-03 | 1987-11-02 | Astra Laekemedel Ab | Optiskt rent monohydrat av s-(-)-1-propyl-2',6'-pipekoloxylididhydroklorid, sett att framstella denna och farmaceutiska beredningar for lokalbedovning |
| KR100213882B1 (ko) * | 1996-11-06 | 1999-08-02 | 윤종용 | 균일 동압 분포를 갖는 동압형 유체베어링 장치 |
| US6036865A (en) * | 1998-06-15 | 2000-03-14 | Union Carbide Chemicals & Plastics Technology Corporation | Separation processes |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275619A (en) * | 1957-03-15 | 1966-09-27 | Geigy Chem Corp | Process for the preparation of l-alpha-amino-eplison-caprolactam and intermediate therefor |
| US3105067A (en) * | 1959-07-15 | 1963-09-24 | Stamicarbon | Process for preparing l-alpha-aminolactam from a mixture of d-and l-alpha-aminolactam |
| US3542766A (en) * | 1967-02-16 | 1970-11-24 | Tanabe Seiyaku Co | Resolution of alpha-aminocaprolactam and n-carbamoyl-valine |
| US3591579A (en) * | 1967-08-25 | 1971-07-06 | Sanyo Chemical Ind Ltd | Resolution of amino-caprolactams |
| US3658811A (en) * | 1968-12-05 | 1972-04-25 | Teijin Ltd | Process for the optical resolution of mixtures of l- and d-alpha-amino-epsilon-caprolactam |
-
1972
- 1972-08-22 US US282667A patent/US3879382A/en not_active Expired - Lifetime
- 1972-08-23 GB GB3916372A patent/GB1400776A/en not_active Expired
- 1972-08-25 BE BE788009A patent/BE788009A/xx unknown
- 1972-08-25 NL NL7211628A patent/NL7211628A/xx unknown
- 1972-08-28 DE DE2264564*A patent/DE2264564A1/de active Pending
- 1972-08-28 DE DE2242184A patent/DE2242184A1/de active Pending
- 1972-08-28 FR FR7230549A patent/FR2150911A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL7211628A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-01 |
| DE2242184A1 (de) | 1973-03-15 |
| FR2150911A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-04-13 |
| DE2264564A1 (de) | 1974-04-04 |
| US3879382A (en) | 1975-04-22 |
| GB1400776A (en) | 1975-07-23 |
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