DK104236C - Process for separating ω-dodecalactam and cyclododecacarboxylic acid from a reaction mixture obtained by nitrosylation of cyclododecacarboxylic acid in sulfuric acid or oleum. - Google Patents

Process for separating ω-dodecalactam and cyclododecacarboxylic acid from a reaction mixture obtained by nitrosylation of cyclododecacarboxylic acid in sulfuric acid or oleum.

Info

Publication number
DK104236C
DK104236C DK163364A DK163364A DK104236C DK 104236 C DK104236 C DK 104236C DK 163364 A DK163364 A DK 163364A DK 163364 A DK163364 A DK 163364A DK 104236 C DK104236 C DK 104236C
Authority
DK
Denmark
Prior art keywords
acid
cyclododecacarboxylic
dodecalactam
nitrosylation
oleum
Prior art date
Application number
DK163364A
Other languages
Danish (da)
Original Assignee
Inventa Ag
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 Inventa Ag filed Critical Inventa Ag
Application granted granted Critical
Publication of DK104236C publication Critical patent/DK104236C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DK163364A 1963-05-14 1964-04-02 Process for separating ω-dodecalactam and cyclododecacarboxylic acid from a reaction mixture obtained by nitrosylation of cyclododecacarboxylic acid in sulfuric acid or oleum. DK104236C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH600863A CH421969A (en) 1963-05-14 1963-05-14 Process for the separation of w-dodecalactam / cyclododecacarboxylic acid mixtures

Publications (1)

Publication Number Publication Date
DK104236C true DK104236C (en) 1966-04-25

Family

ID=4302803

Family Applications (1)

Application Number Title Priority Date Filing Date
DK163364A DK104236C (en) 1963-05-14 1964-04-02 Process for separating ω-dodecalactam and cyclododecacarboxylic acid from a reaction mixture obtained by nitrosylation of cyclododecacarboxylic acid in sulfuric acid or oleum.

Country Status (8)

Country Link
AT (1) AT244322B (en)
BE (1) BE646083A (en)
CH (1) CH421969A (en)
DK (1) DK104236C (en)
ES (1) ES299033A1 (en)
FI (1) FI44234B (en)
GB (1) GB995723A (en)
NL (1) NL6405306A (en)

Also Published As

Publication number Publication date
GB995723A (en) 1965-06-23
NL6405306A (en) 1964-11-16
ES299033A1 (en) 1964-06-16
FI44234B (en) 1971-06-30
BE646083A (en) 1964-07-31
AT244322B (en) 1965-12-27
CH421969A (en) 1966-10-15

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