CA1269995A - Process for the preparation of liquid 2-hydroxy- methylthiobutyric acid - Google Patents

Process for the preparation of liquid 2-hydroxy- methylthiobutyric acid

Info

Publication number
CA1269995A
CA1269995A CA000467698A CA467698A CA1269995A CA 1269995 A CA1269995 A CA 1269995A CA 000467698 A CA000467698 A CA 000467698A CA 467698 A CA467698 A CA 467698A CA 1269995 A CA1269995 A CA 1269995A
Authority
CA
Canada
Prior art keywords
hydroxy
solvent
hydrolyzate
water
methylthiobutyric acid
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
Application number
CA000467698A
Other languages
English (en)
French (fr)
Other versions
CA1269995C (en
Inventor
Dennis Arthur Ruest
Masaharu Takano
Lawrence Russell Wolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novus International Inc
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Priority to CA000467698A priority Critical patent/CA1269995A/en
Application granted granted Critical
Publication of CA1269995C publication Critical patent/CA1269995C/en
Publication of CA1269995A publication Critical patent/CA1269995A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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)
CA000467698A 1983-11-14 1984-11-13 Process for the preparation of liquid 2-hydroxy- methylthiobutyric acid Expired - Lifetime CA1269995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000467698A CA1269995A (en) 1983-11-14 1984-11-13 Process for the preparation of liquid 2-hydroxy- methylthiobutyric acid

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US55123183A 1983-11-14 1983-11-14
US551,231 1983-11-14
CA000467698A CA1269995A (en) 1983-11-14 1984-11-13 Process for the preparation of liquid 2-hydroxy- methylthiobutyric acid

Publications (2)

Publication Number Publication Date
CA1269995C CA1269995C (en) 1990-06-05
CA1269995A true CA1269995A (en) 1990-06-05

Family

ID=24200399

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000467698A Expired - Lifetime CA1269995A (en) 1983-11-14 1984-11-13 Process for the preparation of liquid 2-hydroxy- methylthiobutyric acid

Country Status (5)

Country Link
EP (1) EP0143100B1 (enExample)
JP (1) JPS60166661A (enExample)
AT (1) ATE28747T1 (enExample)
CA (1) CA1269995A (enExample)
DE (1) DE3465194D1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
MY109603A (en) * 1992-05-21 1997-03-31 Daicel Chem Process for producing 2-hydroxy-4-methylthiobutanoic acid
DE4428608C1 (de) * 1994-08-12 1996-02-29 Degussa Verfahren zur Gewinnung von 2-Hydroxy-4-methylthiobuttersäure (MHA)
US5856567A (en) * 1995-06-07 1999-01-05 Novus International, Inc. Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanioc acid or salts thereof
DE69615183T2 (de) 1995-06-07 2002-05-29 Novus International, Inc. Kontinuerliches hydrolyse-verfahren zur herstellung von 2-hydroxy-4-methylthiobutansäure oder salze davon
DE19548538C2 (de) * 1995-12-23 1997-12-18 Degussa Verfahren zur Gewinnung von 2-Hydroxy-4-methylthiobuttersäure (MHA)
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
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
DE10316110A1 (de) * 2003-04-09 2004-10-28 Degussa Ag Verfahren zur Herstellung von 2-Hydroxy-4-methylthio-buttersäure Ammoniumsalz
JP4696496B2 (ja) 2004-08-18 2011-06-08 住友化学株式会社 ２−ヒドロキシ−４−メチルチオ酪酸の製造方法
JP2007238553A (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
EP3656760A1 (de) 2018-11-21 2020-05-27 Evonik Operations GmbH Lagerstabile form von 3-methylthiopropionaldehyd

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975192A (en) * 1959-11-09 1961-03-14 Monsanto Chemicals Methionine analogues
BE611435A (fr) * 1960-12-14 1962-06-12 Stamicarbon Procédé de préparation de sels métalliques d'acide alpha-hydroxy- gamma -méthylmercaptobutyrique

Also Published As

Publication number Publication date
EP0143100A2 (en) 1985-05-29
CA1269995C (en) 1990-06-05
EP0143100B1 (en) 1987-08-05
DE3465194D1 (en) 1987-09-10
JPH0430948B2 (enExample) 1992-05-25
JPS60166661A (ja) 1985-08-29
EP0143100A3 (en) 1985-06-26
ATE28747T1 (de) 1987-08-15

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20070605