GB1109376A - Process for the preparation of epsilon-caprolactam - Google Patents
Process for the preparation of epsilon-caprolactamInfo
- Publication number
- GB1109376A GB1109376A GB54622/66A GB5462266A GB1109376A GB 1109376 A GB1109376 A GB 1109376A GB 54622/66 A GB54622/66 A GB 54622/66A GB 5462266 A GB5462266 A GB 5462266A GB 1109376 A GB1109376 A GB 1109376A
- Authority
- GB
- United Kingdom
- Prior art keywords
- compound
- acid
- caprolactam
- formula
- nitrosating agent
- 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
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 4
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 3
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical compound OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 abstract 2
- VQTGUFBGYOIUFS-UHFFFAOYSA-N nitrosylsulfuric acid Chemical compound OS(=O)(=O)ON=O VQTGUFBGYOIUFS-UHFFFAOYSA-N 0.000 abstract 2
- 229920000137 polyphosphoric acid Polymers 0.000 abstract 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- 150000001491 aromatic compounds Chemical class 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- VZFUCHSFHOYXIS-UHFFFAOYSA-N cycloheptane carboxylic acid Natural products OC(=O)C1CCCCCC1 VZFUCHSFHOYXIS-UHFFFAOYSA-N 0.000 abstract 1
- FPIQZBQZKBKLEI-UHFFFAOYSA-N ethyl 1-[[2-chloroethyl(nitroso)carbamoyl]amino]cyclohexane-1-carboxylate Chemical compound ClCCN(N=O)C(=O)NC1(C(=O)OCC)CCCCC1 FPIQZBQZKBKLEI-UHFFFAOYSA-N 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 125000001624 naphthyl group Chemical group 0.000 abstract 1
- 230000009935 nitrosation Effects 0.000 abstract 1
- 238000007034 nitrosation reaction Methods 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 235000010288 sodium nitrite Nutrition 0.000 abstract 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
- C07D201/10—Preparation of lactams from cycloaliphatic compounds by simultaneous nitrosylation and rearrangement
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US512533A US3354148A (en) | 1965-12-08 | 1965-12-08 | Process for the simultaneous preparation of epsilon-caprolactam and aromatic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1109376A true GB1109376A (en) | 1968-04-10 |
Family
ID=24039500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB54622/66A Expired GB1109376A (en) | 1965-12-08 | 1966-12-06 | Process for the preparation of epsilon-caprolactam |
Country Status (6)
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3119814A (en) * | 1964-01-28 | Preparation of caprqlactam | ||
| US3022291A (en) * | 1962-02-20 | cuhno | ||
| US3016375A (en) * | 1959-05-06 | 1962-01-09 | Spencer Chem Co | Process of producing epsiloncaprolactam |
| CH404670A (de) * | 1960-12-23 | 1965-12-31 | Stamicarbon | Verfahren zur Herstellung von w-Lactamen |
-
1965
- 1965-12-08 US US512533A patent/US3354148A/en not_active Expired - Lifetime
-
1966
- 1966-12-01 BE BE690548D patent/BE690548A/xx unknown
- 1966-12-06 GB GB54622/66A patent/GB1109376A/en not_active Expired
- 1966-12-07 FR FR86551A patent/FR1503401A/fr not_active Expired
- 1966-12-07 NL NL6617183A patent/NL6617183A/xx unknown
- 1966-12-08 DE DE19661645945 patent/DE1645945A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1645945A1 (de) | 1970-10-29 |
| BE690548A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-05-16 |
| FR1503401A (fr) | 1967-11-24 |
| NL6617183A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-06-09 |
| US3354148A (en) | 1967-11-21 |
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