FR823471A - Procédé de préparation de la pipérazine - Google Patents

Procédé de préparation de la pipérazine

Info

Publication number
FR823471A
FR823471A FR823471DA FR823471A FR 823471 A FR823471 A FR 823471A FR 823471D A FR823471D A FR 823471DA FR 823471 A FR823471 A FR 823471A
Authority
FR
France
Prior art keywords
preparing piperazine
piperazine
preparing
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
Other languages
English (en)
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.)
Carbide and Carbon Chemicals Corp
Original Assignee
Carbide and Carbon Chemicals Corp
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 Carbide and Carbon Chemicals Corp filed Critical Carbide and Carbon Chemicals Corp
Application granted granted Critical
Publication of FR823471A publication Critical patent/FR823471A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
    • C07D295/023—Preparation; Separation; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR823471D 1936-07-07 1937-06-22 Procédé de préparation de la pipérazine Expired FR823471A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89481A US2136094A (en) 1936-07-07 1936-07-07 Preparation of piperazine

Publications (1)

Publication Number Publication Date
FR823471A true FR823471A (fr) 1938-01-20

Family

ID=22217889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823471D Expired FR823471A (fr) 1936-07-07 1937-06-22 Procédé de préparation de la pipérazine

Country Status (2)

Country Link
US (1) US2136094A (fr)
FR (1) FR823471A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749147C (de) * 1939-06-28 1944-11-16 Verfahren zur Herstellung von Piperazin

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454404A (en) * 1942-10-03 1948-11-23 American Cyanamid Co Preparation of piperazine
US2553696A (en) * 1944-01-12 1951-05-22 Union Carbide & Carbon Corp Method for making water-soluble polymers of lower alkylene imines
US2467205A (en) * 1944-02-25 1949-04-12 Du Pont Process for producing piperazine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749147C (de) * 1939-06-28 1944-11-16 Verfahren zur Herstellung von Piperazin

Also Published As

Publication number Publication date
US2136094A (en) 1938-11-08

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