DE79121C - Verfahren zur Darstellung von Piperazin - Google Patents
Verfahren zur Darstellung von PiperazinInfo
- Publication number
- DE79121C DE79121C DENDAT79121D DE79121DA DE79121C DE 79121 C DE79121 C DE 79121C DE NDAT79121 D DENDAT79121 D DE NDAT79121D DE 79121D A DE79121D A DE 79121DA DE 79121 C DE79121 C DE 79121C
- Authority
- DE
- Germany
- Prior art keywords
- piperazine
- hydrolysis
- preparation
- dinaphthylpiperazines
- september
- 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 - Lifetime
Links
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 6
- 238000002360 preparation method Methods 0.000 title claims 2
- 238000007792 addition Methods 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 125000006267 biphenyl group Chemical group 0.000 claims 1
- 238000003776 cleavage reaction Methods 0.000 claims 1
- 230000007017 scission Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- ICGLOTCMOYCOTB-UHFFFAOYSA-N [Cl].[Zn] Chemical compound [Cl].[Zn] ICGLOTCMOYCOTB-UHFFFAOYSA-N 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- C07D295/04—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 with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—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 with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
- C07D295/096—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 with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Coloring (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Hydrogenated Pyridines (AREA)
- Paper (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Printing Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE63618T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE79121C true DE79121C (de) |
Family
ID=32857101
Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT71576D Expired - Lifetime DE71576C (de) | Verfahren zur Darstellung von Piperazin. (3 | ||
| DENDAT65347D Expired - Lifetime DE65347C (de) | Verfahren zur Darstellung von Piperazin. (2 | ||
| DENDAT98031D Active DE98031C (online.php) | |||
| DENDAT77351D Active DE77351C (de) | Verfahren zur Darstellung von Piperazin | ||
| DENDAT83524D Active DE83524C (online.php) | |||
| DENDAT63618D Expired - Lifetime DE63618C (de) | Verfahren zur Herstellung von Piperazin | ||
| DENDAT60547D Expired - Lifetime DE60547C (de) | Verfahren zur Darstellung von Piperazin | ||
| DENDAT79121D Expired - Lifetime DE79121C (de) | Verfahren zur Darstellung von Piperazin |
Family Applications Before (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT71576D Expired - Lifetime DE71576C (de) | Verfahren zur Darstellung von Piperazin. (3 | ||
| DENDAT65347D Expired - Lifetime DE65347C (de) | Verfahren zur Darstellung von Piperazin. (2 | ||
| DENDAT98031D Active DE98031C (online.php) | |||
| DENDAT77351D Active DE77351C (de) | Verfahren zur Darstellung von Piperazin | ||
| DENDAT83524D Active DE83524C (online.php) | |||
| DENDAT63618D Expired - Lifetime DE63618C (de) | Verfahren zur Herstellung von Piperazin | ||
| DENDAT60547D Expired - Lifetime DE60547C (de) | Verfahren zur Darstellung von Piperazin |
Country Status (1)
| Country | Link |
|---|---|
| DE (8) | DE79121C (online.php) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2415785A (en) * | 1943-02-24 | 1947-02-11 | Burroughs Wellcome Co | Unsymmetrically substituted piperazines |
| CA1331757C (en) * | 1988-02-29 | 1994-08-30 | Janssen Pharmaceutica Naamloze Vennootschap | 5-lipoxygenase inhibiting 4-(4-phenyl-1-piperazinyl)phenols |
-
0
- DE DENDAT71576D patent/DE71576C/de not_active Expired - Lifetime
- DE DENDAT65347D patent/DE65347C/de not_active Expired - Lifetime
- DE DENDAT98031D patent/DE98031C/de active Active
- DE DENDAT77351D patent/DE77351C/de active Active
- DE DENDAT83524D patent/DE83524C/de active Active
- DE DENDAT63618D patent/DE63618C/de not_active Expired - Lifetime
- DE DENDAT60547D patent/DE60547C/de not_active Expired - Lifetime
- DE DENDAT79121D patent/DE79121C/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE71576C (de) | |
| DE60547C (de) | |
| DE63618C (de) | |
| DE98031C (online.php) | |
| DE77351C (de) | |
| DE83524C (online.php) | |
| DE65347C (de) |
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