GB957676A - Improvements in the manufacture of caprolactam - Google Patents

Improvements in the manufacture of caprolactam

Info

Publication number
GB957676A
GB957676A GB22402/60A GB2240260A GB957676A GB 957676 A GB957676 A GB 957676A GB 22402/60 A GB22402/60 A GB 22402/60A GB 2240260 A GB2240260 A GB 2240260A GB 957676 A GB957676 A GB 957676A
Authority
GB
United Kingdom
Prior art keywords
acid
cyclohexane
nitrosyl
radical
aliphatic
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
GB22402/60A
Other languages
English (en)
Inventor
Frederick Keith Duxbury
David Harold Johnson
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB22402/60A priority Critical patent/GB957676A/en
Priority to CH739161A priority patent/CH394211A/de
Priority to SE6651/61A priority patent/SE309241B/xx
Priority to CH608063A priority patent/CH411898A/de
Publication of GB957676A publication Critical patent/GB957676A/en
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
    • C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • 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
    • C07D223/08—Oxygen atoms
    • C07D223/10—Oxygen atoms attached in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB22402/60A 1960-06-27 1960-06-27 Improvements in the manufacture of caprolactam Expired GB957676A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB22402/60A GB957676A (en) 1960-06-27 1960-06-27 Improvements in the manufacture of caprolactam
CH739161A CH394211A (de) 1960-06-27 1961-06-23 Verfahren zur Herstellung von Caprolactam
SE6651/61A SE309241B (enExample) 1960-06-27 1961-06-26
CH608063A CH411898A (de) 1960-06-27 1963-05-15 Verfahren zur Herstellung von Caprolactam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22402/60A GB957676A (en) 1960-06-27 1960-06-27 Improvements in the manufacture of caprolactam

Publications (1)

Publication Number Publication Date
GB957676A true GB957676A (en) 1964-05-13

Family

ID=10178789

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22402/60A Expired GB957676A (en) 1960-06-27 1960-06-27 Improvements in the manufacture of caprolactam

Country Status (3)

Country Link
CH (1) CH394211A (enExample)
GB (1) GB957676A (enExample)
SE (1) SE309241B (enExample)

Also Published As

Publication number Publication date
SE309241B (enExample) 1969-03-17
CH394211A (de) 1965-06-30

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