DE2006979A1 - Verfahren zu der Herstellung von Methionin - Google Patents
Verfahren zu der Herstellung von MethioninInfo
- Publication number
- DE2006979A1 DE2006979A1 DE19702006979 DE2006979A DE2006979A1 DE 2006979 A1 DE2006979 A1 DE 2006979A1 DE 19702006979 DE19702006979 DE 19702006979 DE 2006979 A DE2006979 A DE 2006979A DE 2006979 A1 DE2006979 A1 DE 2006979A1
- Authority
- DE
- Germany
- Prior art keywords
- methionine
- reaction mixture
- ammonia
- temperature
- water
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
- C07C323/51—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
- C07C323/57—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being further substituted by nitrogen atoms, not being part of nitro or nitroso groups
- C07C323/58—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being further substituted by nitrogen atoms, not being part of nitro or nitroso groups with amino groups bound to the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
- C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/26—Separation; Purification; Stabilisation; Use of additives
- C07C319/28—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6902453A NL6902453A (es) | 1969-02-15 | 1969-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2006979A1 true DE2006979A1 (de) | 1970-09-10 |
Family
ID=19806169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702006979 Pending DE2006979A1 (de) | 1969-02-15 | 1970-02-16 | Verfahren zu der Herstellung von Methionin |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE745945A (es) |
DE (1) | DE2006979A1 (es) |
FR (1) | FR2035407A5 (es) |
GB (1) | GB1237346A (es) |
NL (1) | NL6902453A (es) |
-
1969
- 1969-02-15 NL NL6902453A patent/NL6902453A/xx unknown
-
1970
- 1970-02-13 BE BE745945D patent/BE745945A/xx not_active IP Right Cessation
- 1970-02-13 FR FR7005179A patent/FR2035407A5/fr not_active Expired
- 1970-02-16 DE DE19702006979 patent/DE2006979A1/de active Pending
- 1970-02-16 GB GB7322/70A patent/GB1237346A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE745945A (es) | 1970-08-13 |
FR2035407A5 (es) | 1970-12-18 |
GB1237346A (en) | 1971-06-30 |
NL6902453A (es) | 1970-08-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2126776C3 (de) | Verfahren und Vorrichtung zur Rückgewinnung von Ammoniak und Kohlendioxid aus einem wasserstoff- und sauerstoffhaltigen Abgas einer Harnstoffsynthese | |
DD150601A5 (de) | Verfahren zu der reinigung von harnstoffhaltigem abwasser | |
DE1290537B (de) | Verfahren und Vorrichtung zur Rueckgewinnung nichtumgesetzter Reaktionsteilnehmer der Harnstoffsynthese | |
DE1618730C3 (de) | Verfahren zur Herstellung von Harnstoff | |
DE1592039C3 (de) | Verfahren zur gleichzeitigen Herstellung von Natriumcarbonat und Chlorwasserstoff | |
DE2329733A1 (de) | Verfahren zur herstellung von harnstoff | |
DE1443164A1 (de) | Verbessertes Verfahren zur Herstellung von Harnstoff | |
DE1956874C3 (de) | Kreislaufverfahren zur Herstellung von Ketoximen | |
DE2943984A1 (de) | Verfahren und vorrichtung zur kontinuierlichen herstellung von trioxan | |
DE1618324B2 (de) | Verfahren zur trennung von acrylnitril und acetonitril | |
DE2006979A1 (de) | Verfahren zu der Herstellung von Methionin | |
CH377800A (de) | Verfahren zur Aufarbeitung von Harnstoff-Reaktionsschmelzen | |
DE1299295B (de) | Verfahren zur Herstellung von Harnstoff | |
DE1768805A1 (de) | Verfahren zur Pyrolyse von Harnstoff | |
DE1095818B (de) | Verfahren zur Herstellung von Isophoron | |
DE1643238C3 (de) | Verfahren zur kontinuierlichen Herstellung von Alkalisalzen der Nitrilotriessigsäure | |
DE2344918A1 (de) | Verbessertes verfahren zur gewinnung von cyanwasserstoff | |
DE1768600C3 (de) | Verfahren zur Rückführung nicht umgesetzter Ausgangsprodukte bei der Harnstoffsynthese | |
DE1618852B2 (de) | Verfahren zur herstellung von harnstoff | |
AT240377B (de) | Verfahren zur Wiederverwertung von bei der Harnstoffsynthese nicht umgesetztem Ammoniak und Kohlendioxyd | |
DE1151787B (de) | Verfahren zur Abtrennung und Gewinnung von Blausaeure oder Gemischen von Blausaeure und Nitrilen aus ammoniakhaltigen Gasgemischen | |
AT228796B (de) | Verfahren und Vorrichtung zur Herstellung von Harnstoff aus NH3 und CO2 | |
DE2362923C3 (de) | Verfahren zur Herstellung von Ammoniumrhodanid | |
DE2228641A1 (de) | Verfahren und vorrichtung zur kontinuierlichen herstellung von dl-alphahydroxy-ss,ss-dimethyl-gamma-butyrolakton (pantolakton) | |
AT278046B (de) | Verfahren zur Gewinnung von reinem, kristallisiertem Ammonsulfat |