GB762625A - Improvements in the production of piperazine - Google Patents
Improvements in the production of piperazineInfo
- Publication number
- GB762625A GB762625A GB1745454A GB1745454A GB762625A GB 762625 A GB762625 A GB 762625A GB 1745454 A GB1745454 A GB 1745454A GB 1745454 A GB1745454 A GB 1745454A GB 762625 A GB762625 A GB 762625A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piperazine
- production
- monoethanolamine
- adipate
- regenerated
- 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
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Piperazine is manufactured by a process comprising heating monoethanolamine with at least one molar proportion of ammonium chloride or ammonium bromide at a temperature of from approximately 240 DEG to 265 DEG C. Preferably the piperazine is isolated in the form of its adipic acid salt from which it may be regenerated in known manner, e.g. by treating the adipate with concentrated aqueous alkali hydroxide.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1745454A GB762625A (en) | 1954-06-14 | 1954-06-14 | Improvements in the production of piperazine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1745454A GB762625A (en) | 1954-06-14 | 1954-06-14 | Improvements in the production of piperazine |
Publications (1)
Publication Number | Publication Date |
---|---|
GB762625A true GB762625A (en) | 1956-11-28 |
Family
ID=10095460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1745454A Expired GB762625A (en) | 1954-06-14 | 1954-06-14 | Improvements in the production of piperazine |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB762625A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023211A (en) * | 1960-09-12 | 1962-02-27 | Jefferson Chem Co Inc | Method for the preparation of piperazine monohydrochloride |
US3126383A (en) * | 1964-03-24 | Method for recovering alkylamine-free |
-
1954
- 1954-06-14 GB GB1745454A patent/GB762625A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126383A (en) * | 1964-03-24 | Method for recovering alkylamine-free | ||
US3023211A (en) * | 1960-09-12 | 1962-02-27 | Jefferson Chem Co Inc | Method for the preparation of piperazine monohydrochloride |
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