IL26796A - Process for the preparation of epsilon-caprolactam and omega-dodecalactam - Google Patents
Process for the preparation of epsilon-caprolactam and omega-dodecalactamInfo
- Publication number
- IL26796A IL26796A IL26796A IL2679666A IL26796A IL 26796 A IL26796 A IL 26796A IL 26796 A IL26796 A IL 26796A IL 2679666 A IL2679666 A IL 2679666A IL 26796 A IL26796 A IL 26796A
- Authority
- IL
- Israel
- Prior art keywords
- mixture
- oxime
- caprolactam
- dodecalactam
- cyclododecanone
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 16
- 230000008569 process Effects 0.000 title claims description 16
- 238000002360 preparation method Methods 0.000 title claims description 8
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title description 4
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 title description 2
- 239000000203 mixture Substances 0.000 claims description 47
- 150000002923 oximes Chemical class 0.000 claims description 32
- VEZUQRBDRNJBJY-UHFFFAOYSA-N cyclohexanone oxime Chemical compound ON=C1CCCCC1 VEZUQRBDRNJBJY-UHFFFAOYSA-N 0.000 claims description 28
- SXVPOSFURRDKBO-UHFFFAOYSA-N Cyclododecanone Chemical compound O=C1CCCCCCCCCCC1 SXVPOSFURRDKBO-UHFFFAOYSA-N 0.000 claims description 26
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 22
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 16
- SCRFXJBEIINMIC-UHFFFAOYSA-N n-cyclododecylidenehydroxylamine Chemical compound ON=C1CCCCCCCCCCC1 SCRFXJBEIINMIC-UHFFFAOYSA-N 0.000 claims description 15
- 238000006237 Beckmann rearrangement reaction Methods 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 239000001117 sulphuric acid Substances 0.000 claims description 9
- 235000011149 sulphuric acid Nutrition 0.000 claims description 9
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 3
- 150000002443 hydroxylamines Chemical class 0.000 claims 1
- 239000002904 solvent Substances 0.000 description 11
- 150000003951 lactams Chemical class 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004821 distillation Methods 0.000 description 6
- 230000008707 rearrangement Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000008346 aqueous phase Substances 0.000 description 4
- 238000006146 oximation reaction Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- NXPHCVPFHOVZBC-UHFFFAOYSA-N hydroxylamine;sulfuric acid Chemical compound ON.OS(O)(=O)=O NXPHCVPFHOVZBC-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006462 rearrangement reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 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
- C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1515665A CH459223A (de) | 1965-11-03 | 1965-11-03 | Verfahren zur Herstellung von e-Caprolactam und w-Dodecalactam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL26796A true IL26796A (en) | 1970-06-17 |
Family
ID=4406827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL26796A IL26796A (en) | 1965-11-03 | 1966-11-02 | Process for the preparation of epsilon-caprolactam and omega-dodecalactam |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3470153A (en, 2012) |
| BE (1) | BE689029A (en, 2012) |
| CH (1) | CH459223A (en, 2012) |
| CS (1) | CS157625B2 (en, 2012) |
| DE (1) | DE1695253C3 (en, 2012) |
| ES (1) | ES332971A1 (en, 2012) |
| GB (1) | GB1106740A (en, 2012) |
| IL (1) | IL26796A (en, 2012) |
| NL (1) | NL148886B (en, 2012) |
| SE (1) | SE322221B (en, 2012) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2782919B2 (ja) * | 1990-06-12 | 1998-08-06 | 宇部興産株式会社 | ラクタム含有有機溶液の精製方法 |
| EP0487090A3 (en) * | 1990-11-21 | 1992-10-07 | Ube Industries, Ltd. | Process for preparing caprolactam and laurolactam |
| JP2559903B2 (ja) * | 1990-11-21 | 1996-12-04 | 宇部興産株式会社 | カプロラクタム水溶液のイオン交換樹脂精製方法 |
| ES2048098B1 (es) * | 1992-04-22 | 1995-11-16 | Quimicos Del Mediterraneo S A | Proceso de coproduccion integrado de *-caprolactama y *-dodecalactama. |
| EP3498758A1 (de) * | 2017-12-13 | 2019-06-19 | Evonik Degussa GmbH | Verfahren zur herstellung von polymeren aus monomeren umfassend laurinlactam |
| CN115073343B (zh) * | 2022-06-29 | 2023-09-29 | 中国天辰工程有限公司 | 一种不副产硫酸铵的己内酰胺合成方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3094520A (en) * | 1963-06-18 | Process for producing lactams | ||
| US2579851A (en) * | 1951-12-25 | Method of producing lactams or | ||
| US2249177A (en) * | 1941-07-15 | Rearrangement reaction of oxevies | ||
| US2313026A (en) * | 1939-02-13 | 1943-03-02 | Schlack Paul | Process for the manufacture of lactams from oximes of cyclic ketones |
| US3060173A (en) * | 1958-05-30 | 1962-10-23 | Basf Ag | Production of omega-amino dodecane acid lactam |
| US3016375A (en) * | 1959-05-06 | 1962-01-09 | Spencer Chem Co | Process of producing epsiloncaprolactam |
-
1965
- 1965-11-03 CH CH1515665A patent/CH459223A/de unknown
-
1966
- 1966-10-18 DE DE1695253A patent/DE1695253C3/de not_active Expired
- 1966-10-28 BE BE689029D patent/BE689029A/xx unknown
- 1966-10-31 GB GB48754/66A patent/GB1106740A/en not_active Expired
- 1966-11-01 NL NL666615407A patent/NL148886B/xx unknown
- 1966-11-02 ES ES0332971A patent/ES332971A1/es not_active Expired
- 1966-11-02 CS CS696166A patent/CS157625B2/cs unknown
- 1966-11-02 IL IL26796A patent/IL26796A/en unknown
- 1966-11-02 SE SE15016/66A patent/SE322221B/xx unknown
- 1966-11-03 US US591675A patent/US3470153A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE322221B (en, 2012) | 1970-04-06 |
| NL6615407A (en, 2012) | 1967-05-05 |
| US3470153A (en) | 1969-09-30 |
| CH459223A (de) | 1968-07-15 |
| GB1106740A (en) | 1968-03-20 |
| BE689029A (en, 2012) | 1967-03-31 |
| NL148886B (nl) | 1976-03-15 |
| ES332971A1 (es) | 1967-09-01 |
| DE1695253A1 (de) | 1972-04-06 |
| DE1695253C3 (de) | 1975-07-10 |
| CS157625B2 (en, 2012) | 1974-09-16 |
| DE1695253B2 (de) | 1974-11-28 |
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