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AR001696A1 - Procedimiento para la condensación del ácido cianhídrico con un aldehído - Google Patents

Procedimiento para la condensación del ácido cianhídrico con un aldehído

Info

Publication number
AR001696A1
AR001696A1 AR33626496A AR33626496A AR001696A1 AR 001696 A1 AR001696 A1 AR 001696A1 AR 33626496 A AR33626496 A AR 33626496A AR 33626496 A AR33626496 A AR 33626496A AR 001696 A1 AR001696 A1 AR 001696A1
Authority
AR
Argentina
Prior art keywords
aldehyde
hydrocyanic acid
condensation
procedure
buffer
Prior art date
Application number
AR33626496A
Other languages
English (en)
Original Assignee
Rhone Poulenc Nutrition Animal
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 Rhone Poulenc Nutrition Animal filed Critical Rhone Poulenc Nutrition Animal
Publication of AR001696A1 publication Critical patent/AR001696A1/es

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)

Abstract

Se describe un método para la condensación de ácido cianhídrico con un aldehído. La reacción se lleva a cabo en presencia de un tampón, que incluyelas aminas, y que es capaz de fijar el pH de la solución por encima de 4,0. Dicho tampón constituye un novedoso catalizador para el procedimiento.
AR33626496A 1995-04-24 1996-04-24 Procedimiento para la condensación del ácido cianhídrico con un aldehído AR001696A1 (es)

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 (1)

Publication Number Publication Date
AR001696A1 true AR001696A1 (es) 1997-11-26

Family

ID=9478382

Family Applications (1)

Application Number Title Priority Date Filing Date
AR33626496A AR001696A1 (es) 1995-04-24 1996-04-24 Procedimiento para la condensación del ácido cianhídrico con un aldehído

Country Status (18)

Country Link
US (1) US5756803A (es)
EP (1) EP0739870B1 (es)
JP (1) JP2786424B2 (es)
CN (1) CN1070178C (es)
AR (1) AR001696A1 (es)
AT (1) ATE223364T1 (es)
AU (1) AU705292B2 (es)
BR (1) BR9601572A (es)
CA (1) CA2174808C (es)
DE (1) DE69623377T2 (es)
EA (1) EA000009B1 (es)
ES (1) ES2178695T3 (es)
FR (1) FR2733231B1 (es)
HU (1) HU215279B (es)
MX (1) MX9601178A (es)
NZ (1) NZ286433A (es)
SG (1) SG87741A1 (es)
ZA (1) ZA963178B (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
WO2008006977A1 (fr) * 2006-07-11 2008-01-17 Adisseo France S.A.S. Procédé de préparation du 2-hydroxy-4-(méthylthio)butyronitrile et de la méthionine
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
BRPI0716359B1 (pt) * 2006-10-31 2018-06-05 Sasol Technology ( Propietary ) Limited "remoção do cianeto de hidrogênico do gás de síntese
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
JP5930330B2 (ja) * 2011-02-23 2016-06-08 エボニック デグサ ゲーエムベーハーＥｖｏｎｉｋ Ｄｅｇｕｓｓａ ＧｍｂＨ 貯蔵安定性の２‐ヒドロキシ‐４‐（メチルチオ）酪酸ニトリル
SG192565A1 (en) 2011-02-23 2013-09-30 Evonik Degussa Gmbh Method for producing 2-hydroxy-4-(methylthio)butanenitrile from 3-(methylthio)propanal and hydrogen cyanide
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)

* Cited by examiner, † Cited by third party
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
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
MY109603A (en) * 1992-05-21 1997-03-31 Daicel Chem Process for producing 2-hydroxy-4-methylthiobutanoic acid
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

Also Published As

Publication number Publication date
EP0739870B1 (fr) 2002-09-04
ATE223364T1 (de) 2002-09-15
JPH08291137A (ja) 1996-11-05
EA000009B1 (ru) 1997-12-30
AU5081696A (en) 1996-11-07
CA2174808C (fr) 1999-05-25
EA199600019A3 (ru) 1996-12-30
NZ286433A (en) 1998-06-26
US5756803A (en) 1998-05-26
EP0739870A1 (fr) 1996-10-30
FR2733231A1 (fr) 1996-10-25
HU9601061D0 (en) 1996-06-28
DE69623377T2 (de) 2003-04-17
HUP9601061A3 (en) 1997-08-28
ES2178695T3 (es) 2003-01-01
JP2786424B2 (ja) 1998-08-13
HU215279B (hu) 1998-11-30
ZA963178B (en) 1996-11-11
EA199600019A2 (ru) 1996-07-01
CN1148041A (zh) 1997-04-23
HUP9601061A2 (en) 1997-04-28
CN1070178C (zh) 2001-08-29
AU705292B2 (en) 1999-05-20
DE69623377D1 (de) 2002-10-10
FR2733231B1 (fr) 1997-07-04
SG87741A1 (en) 2002-04-16
BR9601572A (pt) 1998-03-24
CA2174808A1 (fr) 1996-10-25
MX9601178A (es) 1997-02-28

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