AU573261B2 - Preparation of tert-leucine - Google Patents

Preparation of tert-leucine

Info

Publication number
AU573261B2
AU573261B2 AU33556/84A AU3355684A AU573261B2 AU 573261 B2 AU573261 B2 AU 573261B2 AU 33556/84 A AU33556/84 A AU 33556/84A AU 3355684 A AU3355684 A AU 3355684A AU 573261 B2 AU573261 B2 AU 573261B2
Authority
AU
Australia
Prior art keywords
leucine
tert
preparation
acyl
racemate
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 - Fee Related
Application number
AU33556/84A
Other versions
AU3355684A (en
Inventor
Susanne Grabley
Merten Schlingmann
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.)
Hoechst AG
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 AU3355684A publication Critical patent/AU3355684A/en
Application granted granted Critical
Publication of AU573261B2 publication Critical patent/AU573261B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P41/00—Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture
    • C12P41/006—Processes 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
    • C12P41/007—Processes 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids

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.
AU33556/84A 1983-09-27 1984-09-26 Preparation of tert-leucine Expired - Fee Related AU573261B2 (en)

Applications Claiming Priority (2)

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
DE3334848 1983-09-27

Publications (2)

Publication Number Publication Date
AU3355684A AU3355684A (en) 1985-04-04
AU573261B2 true AU573261B2 (en) 1988-06-02

Family

ID=6210137

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33556/84A Expired - Fee Related AU573261B2 (en) 1983-09-27 1984-09-26 Preparation 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120329107A1 (en) * 2009-12-04 2012-12-27 Mitsubishi Gas Chemical Company, Inc. Method for preparing optically active amino acids and optically active amino acid amides

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE191008T1 (en) * 1986-06-04 2000-04-15 Hoechst Schering Agrevo Gmbh METHOD FOR PRODUCING L-TERTIARY LEUCINE BY TRANSAMINATION
WO2010019469A2 (en) * 2008-08-11 2010-02-18 Dr. Reddy's Laboratories Ltd. Preparation of (s)-2-aminobutyric acid

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369462A (en) * 1971-11-23 1974-10-09 Beecham Group Ltd Enzymic resolution of racemic n-acyl-dl-amino acids
AU3355784A (en) * 1983-09-27 1985-04-04 Hoechst A.G. Immobilized acylase; preparation and use thereof

Family Cites Families (5)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369462A (en) * 1971-11-23 1974-10-09 Beecham Group Ltd Enzymic resolution of racemic n-acyl-dl-amino acids
AU3355784A (en) * 1983-09-27 1985-04-04 Hoechst A.G. Immobilized acylase; preparation and use thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120329107A1 (en) * 2009-12-04 2012-12-27 Mitsubishi Gas Chemical Company, Inc. Method for preparing optically active amino acids and optically active amino acid amides

Also Published As

Publication number Publication date
DK460884A (en) 1985-03-28
ZA847561B (en) 1985-05-29
EP0137372A1 (en) 1985-04-17
IL73061A (en) 1988-02-29
IL73061A0 (en) 1984-12-31
DE3460566D1 (en) 1986-10-02
DK460884D0 (en) 1984-09-26
CA1229810A (en) 1987-12-01
DE3334848A1 (en) 1985-04-04
AU3355684A (en) 1985-04-04
ATE21687T1 (en) 1986-09-15
JPS60105500A (en) 1985-06-10
EP0137372B1 (en) 1986-08-27

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