BE697963A - - Google Patents
Info
- Publication number
- BE697963A BE697963A BE697963DA BE697963A BE 697963 A BE697963 A BE 697963A BE 697963D A BE697963D A BE 697963DA BE 697963 A BE697963 A BE 697963A
- Authority
- BE
- Belgium
- 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
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6606261A NL6606261A (fi) | 1966-05-07 | 1966-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE697963A true BE697963A (fi) | 1967-11-03 |
Family
ID=19796528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE697963D Expired BE697963A (fi) | 1966-05-07 | 1967-05-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3536700A (fi) |
| BE (1) | BE697963A (fi) |
| CH (1) | CH494227A (fi) |
| DE (1) | DE1695861A1 (fi) |
| GB (1) | GB1121617A (fi) |
| NL (1) | NL6606261A (fi) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3052670A (en) * | 1962-09-04 | Process for preparing a-amino-w-lactams | ||
| US2786052A (en) * | 1957-03-19 | Process of purifying caprolactam | ||
| US3145198A (en) * | 1964-08-18 | piija | ||
| GB954207A (en) * | 1959-07-15 | 1964-04-02 | Stamicarbon | Process for preparing l-ª‡-aminolactam from a mixture of d-and l-ª‡-aminolactam |
-
1966
- 1966-05-07 NL NL6606261A patent/NL6606261A/xx unknown
-
1967
- 1967-05-01 GB GB20041/67A patent/GB1121617A/en not_active Expired
- 1967-05-03 US US635674A patent/US3536700A/en not_active Expired - Lifetime
- 1967-05-03 CH CH628967A patent/CH494227A/de not_active IP Right Cessation
- 1967-05-03 BE BE697963D patent/BE697963A/xx not_active Expired
- 1967-05-05 DE DE19671695861 patent/DE1695861A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1695861A1 (de) | 1971-05-06 |
| GB1121617A (en) | 1968-07-31 |
| US3536700A (en) | 1970-10-27 |
| NL6606261A (fi) | 1967-11-08 |
| CH494227A (de) | 1970-07-31 |