DE69623377D1 - Verfahren zur Kondensation von Cyanwasserstoff mit einem Aldehyd - Google Patents
Verfahren zur Kondensation von Cyanwasserstoff mit einem AldehydInfo
- Publication number
- DE69623377D1 DE69623377D1 DE69623377T DE69623377T DE69623377D1 DE 69623377 D1 DE69623377 D1 DE 69623377D1 DE 69623377 T DE69623377 T DE 69623377T DE 69623377 T DE69623377 T DE 69623377T DE 69623377 D1 DE69623377 D1 DE 69623377D1
- Authority
- DE
- Germany
- Prior art keywords
- aldehyde
- condensation
- hydrogen cyanide
- cyanide
- hydrogen
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B43/00—Formation or introduction of functional groups containing nitrogen
- C07B43/08—Formation or introduction of functional groups containing nitrogen of cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9504865A FR2733231B1 (fr) | 1995-04-24 | 1995-04-24 | Procede de condensation de l'acide cyanhydrique avec un aldehyde |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69623377D1 true DE69623377D1 (de) | 2002-10-10 |
| DE69623377T2 DE69623377T2 (de) | 2003-04-17 |
Family
ID=9478382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69623377T Expired - Lifetime DE69623377T2 (de) | 1995-04-24 | 1996-04-23 | Verfahren zur Kondensation von Cyanwasserstoff mit einem Aldehyd |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US5756803A (de) |
| EP (1) | EP0739870B1 (de) |
| JP (1) | JP2786424B2 (de) |
| CN (1) | CN1070178C (de) |
| AR (1) | AR001696A1 (de) |
| AT (1) | ATE223364T1 (de) |
| AU (1) | AU705292B2 (de) |
| BR (1) | BR9601572A (de) |
| CA (1) | CA2174808C (de) |
| DE (1) | DE69623377T2 (de) |
| EA (1) | EA000009B1 (de) |
| ES (1) | ES2178695T3 (de) |
| FR (1) | FR2733231B1 (de) |
| HU (1) | HU215279B (de) |
| MX (1) | MX9601178A (de) |
| NZ (1) | NZ286433A (de) |
| SG (1) | SG87741A1 (de) |
| ZA (1) | ZA963178B (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT408883B (de) * | 1998-05-14 | 2002-03-25 | Dsm Fine Chem Austria Gmbh | Verfahren zur stabilisierung von cyanhydrinen |
| US6897332B2 (en) * | 2000-08-02 | 2005-05-24 | Nesmeyanov Institute Of Organoelement Compounds | Process for the cyanation of aldehydes |
| FR2903690B1 (fr) * | 2006-07-11 | 2008-11-14 | Adisseo Ireland Ltd | Procede de preparation de la methionine a partir d'acroleine sans isoler de produits intermediaires |
| TW200811086A (en) * | 2006-07-11 | 2008-03-01 | Adisseo Ireland Ltd | Process for preparing 2-hydroxy-4-(methylthio)butyronitrile and methionine |
| AU2007315764B2 (en) * | 2006-10-31 | 2012-05-03 | Sasol Technology (Proprietary) Limited | Removal of hydrogen cyanide from synthesis gas |
| JP5524736B2 (ja) * | 2010-06-29 | 2014-06-18 | 住友化学株式会社 | メチオニンの製造方法 |
| CN102399177B (zh) * | 2010-09-15 | 2016-02-24 | 李宽义 | 连续化合成蛋氨酸的环保清洁工艺方法 |
| CN103380109B (zh) * | 2011-02-23 | 2015-05-20 | 赢创德固赛有限公司 | 存储稳定的2-羟基-4-(甲硫基)丁酸腈 |
| BR112013018092B1 (pt) | 2011-02-23 | 2021-04-27 | Evonik Operations Gmbh | Método para produção de 2-hidróxi-4-(metiltio) butano nitrila a partir de 3- (metiltio) propanal e cianeto de hidrogênio, e uso de um produto de reação, que contém mmp-cianidrina |
| CN103420883A (zh) * | 2013-08-28 | 2013-12-04 | 重庆紫光化工股份有限公司 | 利用粗氢氰酸气体制备2-羟基-4-甲硫基丁腈的方法 |
| EP3339289A1 (de) | 2016-12-21 | 2018-06-27 | Evonik Degussa GmbH | Verfahren zur herstellung von methionin |
| FR3064006B1 (fr) | 2017-03-16 | 2019-03-29 | Adisseo France S.A.S. | Procede de fabrication de l'acide-2-hydroxy-4-methylthio-butyrique |
| CN109369481A (zh) * | 2018-10-15 | 2019-02-22 | 禄丰天宝磷化工有限公司 | 一种dl-2-羟基-4-甲硒基丁腈的制备和稳定存储的方法 |
| CN111116437B (zh) | 2018-11-01 | 2021-02-05 | 山东新和成氨基酸有限公司 | 制备2-羟基-4-甲硫基丁酸及其中间体的方法和装置 |
| CN109651215B (zh) * | 2019-02-14 | 2023-12-22 | 天宝动物营养科技股份有限公司 | 一种2-羟基-4-甲硫基丁腈的连续制备工艺和装置 |
| CN109912472B (zh) * | 2019-04-02 | 2021-07-23 | 天宝动物营养科技股份有限公司 | 一种连续快速合成2-羟基-4-甲硫基丁腈的方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2745745A (en) * | 1952-10-30 | 1956-05-15 | Monsanto Chemicals | Poultry feed |
| DE2259159C3 (de) * | 1972-12-02 | 1980-01-10 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Herstellung von lagerungsstabilem Methionin |
| DE2903660C3 (de) * | 1979-01-31 | 1981-12-10 | Siemens AG, 1000 Berlin und 8000 München | Belegschaltung an einer "ankommenden" c-Ader in einer Fernmeldeeinrichtung |
| DE3335218A1 (de) * | 1983-09-29 | 1985-04-11 | Degussa Ag, 6000 Frankfurt | Verfahren zur hydrolyse von 5-(ss-methylmercaptoethyl) -hydantoin |
| FR2590896B1 (fr) * | 1985-12-03 | 1988-07-22 | Aec Chim Organ Biolog | Procede de preparation d'une solution aqueuse d'un sel alcalin de la methionine |
| ES2005784A6 (es) * | 1988-02-22 | 1989-03-16 | Desarrollo Tecnico Ind S A Soc | Un procedimiento para preparar soluciones acuosas de acido 2-hidroxi-4-metil-tiobutirico. |
| JP3304380B2 (ja) * | 1991-03-12 | 2002-07-22 | 住友化学工業株式会社 | 不斉誘起触媒 |
| MY109603A (en) * | 1992-05-21 | 1997-03-31 | Daicel Chem | Process for producing 2-hydroxy-4-methylthiobutanoic acid |
| JP3219544B2 (ja) * | 1992-05-21 | 2001-10-15 | ダイセル化学工業株式会社 | ２−ヒドロキシ−４−メチルチオブタン酸の製造法 |
| DE4235295A1 (de) * | 1992-10-20 | 1994-04-21 | Degussa | Kontinuierlich durchführbares Verfahren zur Herstellung von Methionin oder Methioninderivaten |
| DE19506728A1 (de) * | 1995-02-27 | 1996-08-29 | Degussa | Verfahren zur Herstellung von (R)-Pantolacton |
-
1995
- 1995-04-24 FR FR9504865A patent/FR2733231B1/fr not_active Expired - Fee Related
-
1996
- 1996-03-28 MX MX9601178A patent/MX9601178A/es not_active IP Right Cessation
- 1996-04-19 BR BR9601572A patent/BR9601572A/pt not_active IP Right Cessation
- 1996-04-22 CN CN96105083A patent/CN1070178C/zh not_active Expired - Lifetime
- 1996-04-22 ZA ZA963178A patent/ZA963178B/xx unknown
- 1996-04-22 AU AU50816/96A patent/AU705292B2/en not_active Ceased
- 1996-04-23 EA EA199600019A patent/EA000009B1/ru not_active IP Right Cessation
- 1996-04-23 DE DE69623377T patent/DE69623377T2/de not_active Expired - Lifetime
- 1996-04-23 EP EP96400856A patent/EP0739870B1/de not_active Expired - Lifetime
- 1996-04-23 ES ES96400856T patent/ES2178695T3/es not_active Expired - Lifetime
- 1996-04-23 HU HU9601061A patent/HU215279B/hu not_active IP Right Cessation
- 1996-04-23 CA CA002174808A patent/CA2174808C/fr not_active Expired - Lifetime
- 1996-04-23 JP JP8123966A patent/JP2786424B2/ja not_active Expired - Lifetime
- 1996-04-23 NZ NZ286433A patent/NZ286433A/en unknown
- 1996-04-23 SG SG9609356A patent/SG87741A1/en unknown
- 1996-04-23 AT AT96400856T patent/ATE223364T1/de not_active IP Right Cessation
- 1996-04-24 US US08/637,120 patent/US5756803A/en not_active Expired - Lifetime
- 1996-04-24 AR AR33626496A patent/AR001696A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0739870B1 (de) | 2002-09-04 |
| CN1148041A (zh) | 1997-04-23 |
| EA199600019A3 (ru) | 1996-12-30 |
| JP2786424B2 (ja) | 1998-08-13 |
| EP0739870A1 (de) | 1996-10-30 |
| FR2733231B1 (fr) | 1997-07-04 |
| HU215279B (hu) | 1998-11-30 |
| DE69623377T2 (de) | 2003-04-17 |
| AU5081696A (en) | 1996-11-07 |
| BR9601572A (pt) | 1998-03-24 |
| CA2174808A1 (fr) | 1996-10-25 |
| HUP9601061A2 (en) | 1997-04-28 |
| US5756803A (en) | 1998-05-26 |
| EA199600019A2 (ru) | 1996-07-01 |
| HUP9601061A3 (en) | 1997-08-28 |
| AR001696A1 (es) | 1997-11-26 |
| ZA963178B (en) | 1996-11-11 |
| HU9601061D0 (en) | 1996-06-28 |
| ES2178695T3 (es) | 2003-01-01 |
| MX9601178A (es) | 1997-02-28 |
| AU705292B2 (en) | 1999-05-20 |
| ATE223364T1 (de) | 2002-09-15 |
| JPH08291137A (ja) | 1996-11-05 |
| NZ286433A (en) | 1998-06-26 |
| FR2733231A1 (fr) | 1996-10-25 |
| SG87741A1 (en) | 2002-04-16 |
| EA000009B1 (ru) | 1997-12-30 |
| CA2174808C (fr) | 1999-05-25 |
| CN1070178C (zh) | 2001-08-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ADISSEO FRANCE S.A.S., ANTONY, FR |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ADISSEO IRELAND LTD., DUBLIN, IE |
|
| 8364 | No opposition during term of opposition |