CA1027063A - Separation process of cetazines of raw synthesis mixes - Google Patents

Separation process of cetazines of raw synthesis mixes

Info

Publication number
CA1027063A
CA1027063A CA187,467A CA187467A CA1027063A CA 1027063 A CA1027063 A CA 1027063A CA 187467 A CA187467 A CA 187467A CA 1027063 A CA1027063 A CA 1027063A
Authority
CA
Canada
Prior art keywords
distillation
agent
acide
est
que
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
CA187,467A
Other languages
English (en)
French (fr)
Other versions
CA187467S (en
Inventor
Jean P. Schirmann
Marcel Thevenon
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.)
Produits Chimiques Ugine Kuhlmann
Original Assignee
Produits Chimiques Ugine Kuhlmann
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 Produits Chimiques Ugine Kuhlmann filed Critical Produits Chimiques Ugine Kuhlmann
Application granted granted Critical
Publication of CA1027063A publication Critical patent/CA1027063A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C251/00Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
    • C07C251/72Hydrazones
    • C07C251/88Hydrazones having also the other nitrogen atom doubly-bound to a carbon atom, e.g. azines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
CA187,467A 1972-12-21 1973-12-05 Separation process of cetazines of raw synthesis mixes Expired CA1027063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7245576A FR2211939A5 (it) 1972-12-21 1972-12-21

Publications (1)

Publication Number Publication Date
CA1027063A true CA1027063A (en) 1978-02-28

Family

ID=9109079

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,467A Expired CA1027063A (en) 1972-12-21 1973-12-05 Separation process of cetazines of raw synthesis mixes

Country Status (12)

Country Link
US (1) US3883401A (it)
JP (1) JPS5212684B2 (it)
AT (1) AT326093B (it)
BE (1) BE806179A (it)
CA (1) CA1027063A (it)
CH (1) CH581609A5 (it)
DE (1) DE2361932C3 (it)
ES (1) ES421601A1 (it)
FR (1) FR2211939A5 (it)
GB (1) GB1407329A (it)
IT (1) IT999771B (it)
NL (1) NL7317482A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63295408A (ja) * 1987-05-28 1988-12-01 Mitsubishi Gas Chem Co Inc 水加ヒドラジン水溶液の精製方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876173A (en) * 1955-12-13 1959-03-03 Olin Mathieson Separation of unsymmetrical dimethyl-hydrazine from aqueous solution containing not more than 20 percent of the former, caustic soda
US3012948A (en) * 1959-03-26 1961-12-12 Nat Distillers Chem Corp Dehydration of methylhydrazine
GB1133762A (en) * 1965-04-20 1968-11-20 Fisons Ind Chemicals Ltd Process for the preparation of azines and/or isohydrazones and their use in the production of hydrazine
GB1164435A (en) * 1966-03-29 1969-09-17 Fisons Ind Chemicals Ltd Preparation of Azines and Isohydrazones
CA988536A (en) * 1970-04-10 1976-05-04 Godfrey V. Jeffreys Process for preparing azines

Also Published As

Publication number Publication date
CH581609A5 (it) 1976-11-15
NL7317482A (it) 1974-06-25
BE806179A (fr) 1974-02-15
DE2361932C3 (de) 1983-06-09
DE2361932B2 (de) 1975-09-18
DE2361932A1 (de) 1974-07-11
AT326093B (de) 1975-11-25
GB1407329A (en) 1975-09-24
US3883401A (en) 1975-05-13
ATA1044073A (de) 1975-02-15
IT999771B (it) 1976-03-10
JPS5212684B2 (it) 1977-04-08
ES421601A1 (es) 1976-04-16
FR2211939A5 (it) 1974-07-19
JPS504008A (it) 1975-01-16

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