DE1770354A1 - Verfahren zur Herstellung von Caprolactam - Google Patents
Verfahren zur Herstellung von CaprolactamInfo
- Publication number
- DE1770354A1 DE1770354A1 DE19681770354 DE1770354A DE1770354A1 DE 1770354 A1 DE1770354 A1 DE 1770354A1 DE 19681770354 DE19681770354 DE 19681770354 DE 1770354 A DE1770354 A DE 1770354A DE 1770354 A1 DE1770354 A1 DE 1770354A1
- Authority
- DE
- Germany
- Prior art keywords
- methoxide
- range
- alkali metal
- per liter
- concentration
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 20
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title description 6
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 229910052783 alkali metal Inorganic materials 0.000 claims description 12
- -1 Alkali metal methoxide Chemical class 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 7
- NBTOZLQBSIZIKS-UHFFFAOYSA-N methoxide Chemical compound [O-]C NBTOZLQBSIZIKS-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- XBPCUCUWBYBCDP-UHFFFAOYSA-N Dicyclohexylamine Chemical compound C1CCCCC1NC1CCCCC1 XBPCUCUWBYBCDP-UHFFFAOYSA-N 0.000 claims 1
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 150000001340 alkali metals Chemical class 0.000 description 4
- 150000004703 alkoxides Chemical class 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 150000002978 peroxides Chemical class 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000003951 lactams Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241000589902 Leptospira Species 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 210000005053 lamin Anatomy 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB25685/67A GB1198425A (en) | 1967-06-02 | 1967-06-02 | Production of Caprolactam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1770354A1 true DE1770354A1 (de) | 1971-10-21 |
Family
ID=10231644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681770354 Pending DE1770354A1 (de) | 1967-06-02 | 1968-05-08 | Verfahren zur Herstellung von Caprolactam |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3676430A (en:Method) |
| BE (1) | BE715843A (en:Method) |
| DE (1) | DE1770354A1 (en:Method) |
| FR (1) | FR1567559A (en:Method) |
| GB (1) | GB1198425A (en:Method) |
| NL (1) | NL6807629A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2261751C3 (de) * | 1972-12-16 | 1981-12-24 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Cyclohexandionen-(1,3) |
-
1967
- 1967-06-02 GB GB25685/67A patent/GB1198425A/en not_active Expired
-
1968
- 1968-05-08 US US727728A patent/US3676430A/en not_active Expired - Lifetime
- 1968-05-08 DE DE19681770354 patent/DE1770354A1/de active Pending
- 1968-05-29 BE BE715843D patent/BE715843A/xx unknown
- 1968-05-30 FR FR1567559D patent/FR1567559A/fr not_active Expired
- 1968-05-30 NL NL6807629A patent/NL6807629A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1198425A (en) | 1970-07-15 |
| US3676430A (en) | 1972-07-11 |
| FR1567559A (en:Method) | 1969-05-16 |
| NL6807629A (en:Method) | 1968-12-03 |
| BE715843A (en:Method) | 1968-11-29 |
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