CA1014960A - Process for removing boric acid from lactams - Google Patents

Process for removing boric acid from lactams

Info

Publication number
CA1014960A
CA1014960A CA189,927A CA189927A CA1014960A CA 1014960 A CA1014960 A CA 1014960A CA 189927 A CA189927 A CA 189927A CA 1014960 A CA1014960 A CA 1014960A
Authority
CA
Canada
Prior art keywords
lactams
boric acid
removing boric
acid
boric
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
CA189,927A
Other languages
English (en)
Other versions
CA189927S (en
Inventor
Hans-Helmut Schwarz
Otto Immel
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1014960A publication Critical patent/CA1014960A/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
    • C07D201/16—Separation or purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
    • C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
    • C07H19/056—Triazole or tetrazole radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Catalysts (AREA)
CA189,927A 1973-01-13 1974-01-11 Process for removing boric acid from lactams Expired CA1014960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2301587A DE2301587C3 (de) 1973-01-13 1973-01-13 Verfahren zur Entfernung von Borsäure aus Lactamen

Publications (1)

Publication Number Publication Date
CA1014960A true CA1014960A (en) 1977-08-02

Family

ID=5868914

Family Applications (1)

Application Number Title Priority Date Filing Date
CA189,927A Expired CA1014960A (en) 1973-01-13 1974-01-11 Process for removing boric acid from lactams

Country Status (11)

Country Link
US (1) US3948888A (fr)
JP (1) JPS587618B2 (fr)
BE (1) BE809634A (fr)
BR (1) BR7400100D0 (fr)
CA (1) CA1014960A (fr)
DE (1) DE2301587C3 (fr)
ES (1) ES422256A1 (fr)
FR (1) FR2324628A1 (fr)
GB (1) GB1419042A (fr)
IT (1) IT1008691B (fr)
NL (1) NL7400357A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2550934C3 (de) * 1975-11-13 1980-06-12 Bayer Ag, 5090 Leverkusen Reinigung von Caprolactam
JPS59157978A (ja) * 1983-02-26 1984-09-07 三菱電線工業株式会社 ゴム・プラスチツク電力ケ−ブルの接続部形成方法
KR19990039633A (ko) * 1997-11-13 1999-06-05 전원중 저순도 카프로락탐의 정제방법
EA038223B1 (ru) * 2017-12-15 2021-07-27 Аквафилсло Д.О.О. Способ очистки капролактама из раствора неочищенного капролактама без экстракции органическими растворителями
CN110093215A (zh) * 2018-01-29 2019-08-06 中国辐射防护研究院 一种硼酸结晶去除剂及其应用

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3154539A (en) * 1964-10-27 Production of lactams by rearrange-
US3145198A (en) * 1964-08-18 piija
CH464931A (de) * 1964-02-26 1968-11-15 Bayer Ag Verfahren zur Herstellung von Lactamen
US3600381A (en) * 1968-05-09 1971-08-17 Teijin Ltd Caprolactam purification process

Also Published As

Publication number Publication date
GB1419042A (en) 1975-12-24
BE809634A (fr) 1974-07-11
JPS587618B2 (ja) 1983-02-10
IT1008691B (it) 1976-11-30
ES422256A1 (es) 1977-01-16
FR2324628A1 (fr) 1977-04-15
BR7400100D0 (pt) 1974-08-15
NL7400357A (fr) 1974-07-16
DE2301587A1 (de) 1974-07-18
FR2324628B1 (fr) 1978-12-29
DE2301587C3 (de) 1981-02-26
JPS49116086A (fr) 1974-11-06
DE2301587B2 (de) 1980-06-04
US3948888A (en) 1976-04-06

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