JPS6020378B2 - ラクタムの製法 - Google Patents

ラクタムの製法

Info

Publication number
JPS6020378B2
JPS6020378B2 JP50106434A JP10643475A JPS6020378B2 JP S6020378 B2 JPS6020378 B2 JP S6020378B2 JP 50106434 A JP50106434 A JP 50106434A JP 10643475 A JP10643475 A JP 10643475A JP S6020378 B2 JPS6020378 B2 JP S6020378B2
Authority
JP
Japan
Prior art keywords
ammonia
sulfate
sulfuric acid
earth metal
alkaline earth
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
Application number
JP50106434A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5152187A (US20020095090A1-20020718-M00002.png
Inventor
モ−ドリイ ラドミ−ル
ドマイゼン ブル−ノ
フイリツプ ハンスベルナ−
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INBENTA AG FUEERU FUORUSHUNKU UNTO PATENTOFUERUERUTSUNKU
Original Assignee
INBENTA AG FUEERU FUORUSHUNKU UNTO PATENTOFUERUERUTSUNKU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by INBENTA AG FUEERU FUORUSHUNKU UNTO PATENTOFUERUERUTSUNKU filed Critical INBENTA AG FUEERU FUORUSHUNKU UNTO PATENTOFUERUERUTSUNKU
Publication of JPS5152187A publication Critical patent/JPS5152187A/ja
Publication of JPS6020378B2 publication Critical patent/JPS6020378B2/ja
Expired legal-status Critical Current

Links

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Hydrogenated Pyridines (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
JP50106434A 1974-09-03 1975-09-02 ラクタムの製法 Expired JPS6020378B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH11926/74 1974-09-03
CH1192674A CH593934A5 (US20020095090A1-20020718-M00002.png) 1974-09-03 1974-09-03

Publications (2)

Publication Number Publication Date
JPS5152187A JPS5152187A (US20020095090A1-20020718-M00002.png) 1976-05-08
JPS6020378B2 true JPS6020378B2 (ja) 1985-05-21

Family

ID=4378230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50106434A Expired JPS6020378B2 (ja) 1974-09-03 1975-09-02 ラクタムの製法

Country Status (6)

Country Link
US (1) US3991047A (US20020095090A1-20020718-M00002.png)
JP (1) JPS6020378B2 (US20020095090A1-20020718-M00002.png)
CA (1) CA1066700A (US20020095090A1-20020718-M00002.png)
CH (1) CH593934A5 (US20020095090A1-20020718-M00002.png)
DE (1) DE2538992C3 (US20020095090A1-20020718-M00002.png)
GB (1) GB1500084A (US20020095090A1-20020718-M00002.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7601061A (nl) * 1976-02-03 1977-08-05 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel.
JPS5373578A (en) * 1976-12-14 1978-06-30 Toray Ind Inc Continuous purification of alpha-amino-epsilon-caprolactam
DE2708919C2 (de) * 1977-03-02 1982-05-27 Dr. C. Otto & Comp. Gmbh, 4630 Bochum Verfahren zur Reinigung von SO↓2↓-haltigen Industrieabgasen
NL7704481A (nl) * 1977-04-25 1977-08-31 Stamicarbon Werkwijze voor het winnen van ammoniak en zwavel- dioxide uit verontreinigd ammoniumzout van zwavel- zuur.
US5498790A (en) * 1993-06-09 1996-03-12 Novus International, Inc. Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
WO2019117817A1 (en) * 2017-12-15 2019-06-20 Aquafilslo D.O.O. Process for the purification of caprolactam from a solution of crude caprolactam without organic solvent extraction

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2221369A (en) * 1940-11-12 Process foe producing lactams
US2182078A (en) * 1936-09-28 1939-12-05 American Smelting Refining Production of ammonia from ammonium sulphate
US2313026A (en) * 1939-02-13 1943-03-02 Schlack Paul Process for the manufacture of lactams from oximes of cyclic ketones
NL78211C (US20020095090A1-20020718-M00002.png) * 1950-04-04
US2781245A (en) * 1952-09-18 1957-02-12 Allied Chem & Dye Corp Process of recovering ammonia from ammoniacal liquors
US3282646A (en) * 1963-12-03 1966-11-01 Allied Chem Production of sulfur dioxide
US3852273A (en) * 1971-05-07 1974-12-03 Stamicarbon Process for preparing and recovering lactams
NL164028C (nl) * 1971-05-07 1980-11-17 Stamicarbon Werkwijze voor de afscheiding van lactamen.
BE790083A (fr) * 1971-10-14 1973-04-13 Chemie Linz Ag Procede de production de clinker de ciment et de dioxyde de soufre

Also Published As

Publication number Publication date
US3991047A (en) 1976-11-09
GB1500084A (en) 1978-02-08
CA1066700A (en) 1979-11-20
DE2538992A1 (de) 1976-03-11
DE2538992C3 (de) 1982-07-22
DE2538992B2 (de) 1981-07-16
CH593934A5 (US20020095090A1-20020718-M00002.png) 1977-12-30
JPS5152187A (US20020095090A1-20020718-M00002.png) 1976-05-08

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