BR9612235A - Processo para a obtenção de ácido 2-hidróxi-4-metiltiobutírico (mha) - Google Patents

Processo para a obtenção de ácido 2-hidróxi-4-metiltiobutírico (mha)

Info

Publication number
BR9612235A
BR9612235A BR9612235A BR9612235A BR9612235A BR 9612235 A BR9612235 A BR 9612235A BR 9612235 A BR9612235 A BR 9612235A BR 9612235 A BR9612235 A BR 9612235A BR 9612235 A BR9612235 A BR 9612235A
Authority
BR
Brazil
Prior art keywords
mha
hydroxy
obtaining
methylthiobutyric acid
methylthiobutyric
Prior art date
Application number
BR9612235A
Other languages
English (en)
Inventor
Hans-Joachim Hasselbach
Klaus Huthmacher
Volker Haefner
Harold Heinzel
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of BR9612235A publication Critical patent/BR9612235A/pt

Links

Classifications

    • 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
    • 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
    • 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
    • C07C323/52—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 acyclic and saturated
BR9612235A 1995-12-23 1996-12-05 Processo para a obtenção de ácido 2-hidróxi-4-metiltiobutírico (mha) BR9612235A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19548538A DE19548538C2 (de) 1995-12-23 1995-12-23 Verfahren zur Gewinnung von 2-Hydroxy-4-methylthiobuttersäure (MHA)
PCT/EP1996/005437 WO1997023452A1 (de) 1995-12-23 1996-12-05 Verfahren zur gewinnung von 2-hydroxy-4-methylthiobuttersäure (mha)

Publications (1)

Publication Number Publication Date
BR9612235A true BR9612235A (pt) 1999-07-13

Family

ID=7781282

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9612235A BR9612235A (pt) 1995-12-23 1996-12-05 Processo para a obtenção de ácido 2-hidróxi-4-metiltiobutírico (mha)

Country Status (17)

Country Link
US (1) US6140536A (pt)
EP (1) EP0874811B1 (pt)
JP (1) JP3962089B2 (pt)
KR (1) KR100460364B1 (pt)
CN (1) CN1067377C (pt)
AU (1) AU717705B2 (pt)
BR (1) BR9612235A (pt)
DE (2) DE19548538C2 (pt)
ES (1) ES2160264T3 (pt)
ID (1) ID16007A (pt)
IN (1) IN190919B (pt)
MX (1) MX9804881A (pt)
MY (1) MY117493A (pt)
RU (1) RU2160730C2 (pt)
TR (1) TR199801190T2 (pt)
TW (1) TW371655B (pt)
WO (1) WO1997023452A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017563A (en) 1997-07-25 2000-01-25 Novus International, Inc. Process for optimizing milk production
JP3942715B2 (ja) 1998-01-06 2007-07-11 パイオニア株式会社 有機ｅｌディスプレイパネル及びその製造方法
FR2780969B1 (fr) * 1998-07-10 2000-08-18 Rhone Poulenc Nutrition Animal Procede de separation de l'acide hydroxymethylthiobutyrique
JP4517474B2 (ja) * 2000-07-25 2010-08-04 住友化学株式会社 ２−ヒドロキシ−４−メチルチオブタン酸の製造方法
JP4517486B2 (ja) * 2000-09-25 2010-08-04 住友化学株式会社 ２−ヒドロキシ−４−メチルチオブタンニトリルの製造方法
JP4517491B2 (ja) * 2000-10-11 2010-08-04 住友化学株式会社 ２−ヒドロキシ−４−メチルチオブタン酸の製造方法
JP4517520B2 (ja) * 2001-02-27 2010-08-04 住友化学株式会社 ２−ヒドロキシ−４−メチルチオブタン酸の製造方法
DE102004041250A1 (de) 2004-08-26 2006-03-02 Degussa Ag Herstellung von 2-Hydroxy-4-Methylthiobuttersäure
JP2007238552A (ja) * 2006-03-10 2007-09-20 Sumitomo Chemical Co Ltd ２−ヒドロキシ−４−メチルチオブタン酸の製造方法および製造装置
WO2012113664A1 (de) 2011-02-23 2012-08-30 Evonik Degussa Gmbh Verfahren zur herstellung von 2-hydroxy-4-(methylthio)buttersäurenitril aus 3-(methylthio)propanal und cyanwasserstoff
BR112014003602B1 (pt) 2011-08-30 2021-05-18 Evonik Operations Gmbh sistema de reação e método para produção contínua de um sal de metionina
DE102011081828A1 (de) 2011-08-30 2013-02-28 Evonik Degussa Gmbh Verfahren zur Umsetzung von Methylmercaptopropionaldehyd aus Roh-Acrolein und Roh-Methylmercaptan
RU2571755C2 (ru) * 2013-10-23 2015-12-20 Андрей Вилорьевич Доронин Способ сернокислотной переработки сырья
EP3388523A1 (en) 2017-04-13 2018-10-17 Evonik Degussa GmbH Enzymatic method for producing 2-hydroxy-4-methylmercaptobutanoic acid (mha)
CN114349671B (zh) * 2022-03-18 2022-05-27 蓝星安迪苏南京有限公司 化合物及蛋氨酸羟基衍生物的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1269995C (en) * 1983-11-14 1990-06-05 PREPARATION OF 2-HYDROXY-METHYLTHIOBUTYRIC ACID LIQUID
US4524077A (en) * 1983-11-14 1985-06-18 Monsanto Company Liquid 2-hydroxy-4-methylthiobutyric acid and process for the preparation thereof
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.
US5498790A (en) * 1993-06-09 1996-03-12 Novus International, Inc. Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture
DE4428608C1 (de) * 1994-08-12 1996-02-29 Degussa Verfahren zur Gewinnung von 2-Hydroxy-4-methylthiobuttersäure (MHA)

Also Published As

Publication number Publication date
MY117493A (en) 2004-07-31
JP3962089B2 (ja) 2007-08-22
DE19548538C2 (de) 1997-12-18
WO1997023452A1 (de) 1997-07-03
MX9804881A (es) 1998-10-31
ID16007A (id) 1997-08-28
ES2160264T3 (es) 2001-11-01
RU2160730C2 (ru) 2000-12-20
IN190919B (pt) 2003-08-30
AU1190697A (en) 1997-07-17
DE59607103D1 (de) 2001-07-19
KR100460364B1 (ko) 2005-05-20
DE19548538A1 (de) 1997-06-26
US6140536A (en) 2000-10-31
EP0874811B1 (de) 2001-06-13
CN1205688A (zh) 1999-01-20
JP2000502110A (ja) 2000-02-22
KR19990076661A (ko) 1999-10-15
CN1067377C (zh) 2001-06-20
TW371655B (en) 1999-10-11
EP0874811A1 (de) 1998-11-04
TR199801190T2 (xx) 1998-11-23
AU717705B2 (en) 2000-03-30

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Legal Events

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PC Transfer

Free format text: DEGUSSA - HUELS AKTIENGESELLSCHAFT (DE)

EG Technical examination (opinion): publication of technical examination (opinion)
B09B Patent application refused [chapter 9.2 patent gazette]