ZA847561B - Process for the preparation of the optical antipodes of tert.-leucine - Google Patents

Process for the preparation of the optical antipodes of tert.-leucine

Info

Publication number
ZA847561B
ZA847561B ZA847561A ZA847561A ZA847561B ZA 847561 B ZA847561 B ZA 847561B ZA 847561 A ZA847561 A ZA 847561A ZA 847561 A ZA847561 A ZA 847561A ZA 847561 B ZA847561 B ZA 847561B
Authority
ZA
South Africa
Prior art keywords
leucine
tert
preparation
optical antipodes
acyl
Prior art date
Application number
ZA847561A
Inventor
Susanne Grabley
Merten Schlingmann
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of ZA847561B publication Critical patent/ZA847561B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P41/00Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture
    • C12P41/006Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture by reactions involving C-N bonds, e.g. nitriles, amides, hydantoins, carbamates, lactames, transamination reactions, or keto group formation from racemic mixtures
    • C12P41/007Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture by reactions involving C-N bonds, e.g. nitriles, amides, hydantoins, carbamates, lactames, transamination reactions, or keto group formation from racemic mixtures by reactions involving acyl derivatives of racemic amines
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00Preparation of nitrogen-containing organic compounds
    • C12P13/04Alpha- or beta- amino acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Genetics & Genomics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

1. A process for the preparation of L-tert.-Leucine from N-acyl-D,L-tert.-Leucine, wherein the racemate is resolved in an aqueous medium with an immobilized acylase and the unreacted N-acyl-D-tert.-Leucine and the liberated carboxylic acid are separated off.
ZA847561A 1983-09-27 1984-09-26 Process for the preparation of the optical antipodes of tert.-leucine ZA847561B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833334848 DE3334848A1 (en) 1983-09-27 1983-09-27 METHOD FOR PRODUCING THE OPTICAL ANTIPODES OF TERT.-LEUCIN

Publications (1)

Publication Number Publication Date
ZA847561B true ZA847561B (en) 1985-05-29

Family

ID=6210137

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA847561A ZA847561B (en) 1983-09-27 1984-09-26 Process for the preparation of the optical antipodes of tert.-leucine

Country Status (9)

Country Link
EP (1) EP0137372B1 (en)
JP (1) JPS60105500A (en)
AT (1) ATE21687T1 (en)
AU (1) AU573261B2 (en)
CA (1) CA1229810A (en)
DE (2) DE3334848A1 (en)
DK (1) DK460884A (en)
IL (1) IL73061A (en)
ZA (1) ZA847561B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2144999T3 (en) * 1986-06-04 2000-07-01 Hoechst Schering Agrevo Gmbh PROCEDURE FOR THE PREPARATION OF L-LEUCINE TERTIARY THROUGH TRANSAMINATION.
WO2010019469A2 (en) * 2008-08-11 2010-02-18 Dr. Reddy's Laboratories Ltd. Preparation of (s)-2-aminobutyric acid
WO2011068206A1 (en) * 2009-12-04 2011-06-09 三菱瓦斯化学株式会社 Process for production of optically active amino acid or optically active amino acid amide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT169327B (en) * 1948-07-07 1951-11-10 Interchem Corp Process for the separation of the two optical antipodes of a racemic amino acid
GB1072876A (en) * 1965-07-15 1967-06-21 Tanabe Seiyaku Co Resolution of racemic amino acids
FR2078103A5 (en) * 1970-02-03 1971-11-05 Tanabe Seiyaku Co
GB1369462A (en) * 1971-11-23 1974-10-09 Beecham Group Ltd Enzymic resolution of racemic n-acyl-dl-amino acids
JPS5233194B2 (en) * 1973-04-24 1977-08-26
DE2732301C3 (en) * 1977-07-16 1980-12-11 Roehm Gmbh, 6100 Darmstadt Process for the production of stabilized carrier-bound proteins
DE3334846A1 (en) * 1983-09-27 1985-04-04 Hoechst Ag, 6230 Frankfurt IMMOBILIZED ACYLASE, METHOD FOR THEIR PRODUCTION AND THEIR USE

Also Published As

Publication number Publication date
JPS60105500A (en) 1985-06-10
DE3460566D1 (en) 1986-10-02
EP0137372B1 (en) 1986-08-27
ATE21687T1 (en) 1986-09-15
AU573261B2 (en) 1988-06-02
EP0137372A1 (en) 1985-04-17
DK460884D0 (en) 1984-09-26
IL73061A0 (en) 1984-12-31
CA1229810A (en) 1987-12-01
IL73061A (en) 1988-02-29
AU3355684A (en) 1985-04-04
DE3334848A1 (en) 1985-04-04
DK460884A (en) 1985-03-28

Similar Documents

Publication Publication Date Title
EP0136428A3 (en) Flavoring agents
HK1007052A1 (en) Process for production of dihomo-alpha-linolenic acid and lipid containing same
ES8301188A1 (en) Process for racemizing an optically active alpha-amino acid or a salt thereof.
UA7088A1 (en) Process for praparation of salt of 2-(2-hydroxyetoxy)ethylamine and 3,6-dichloro-2-metoxbenzoic acid
DE3476560D1 (en) A process for producing an optically active 3-(3,4-dihydroxphenyl) serine and a proteced derivative thereof
AU4815885A (en) Enzymatic process
JPS6486898A (en) Method for manufacturing ibuprofen
GB2152509B (en) Process for the production of l-lysine by fermentation and microorganisms for use therein
HUT63659A (en) Enzymatic process for the enantioselective production of optically active cyanhydrins
GB2084155B (en) Process for production of l-amino acids using immobilized microorganisms
ZA847561B (en) Process for the preparation of the optical antipodes of tert.-leucine
GR3017731T3 (en) Improved enzymatic oxidation of ceph C to glutaryl-7-amino-cephalosporanic acid.
DE3783270D1 (en) 4 halogen-2-oxyimino-3-oxo-buttersaeure.
DE3569725D1 (en) A method for the optical purification of an optically active 2,2-dimethylcyclopropanecarboxylic acid amide
HUT50214A (en) Process for enzymic production of d,c-2-amino-4-methyl-phosphinobutyric acid
AU2732388A (en) A process for the enzymatic hydrolysis of alpha- aminoadipinyl-monoamino compounds
ES8606497A1 (en) Process for preparing l-carnitine.
GR3001719T3 (en) Process for preparing optically active carbonyl compounds
IL82503A0 (en) Process for the promination of biphenols
EP0246605A3 (en) Conversion of aristeromycin into cyclaradine
DE3070066D1 (en) Process for the preparation of 11-alpha-hydroxy-20-alpha-hydroxymethyl-1,4-pregnadiene-3-one
AU547645B2 (en) Production of l-amino acids using immobilised micro- organisms
EP0365029A3 (en) Method of systhesizing optically active beta-halolactic acid or glycidic acid
AU563091B2 (en) Cyclohexane carboxylic acids and derivatives thereof
DE3475907D1 (en) Process for the manufacture of an optically active lactone of a cyclopropane-carboxylic acid