DE3920570C2 - - Google Patents

Info

Publication number
DE3920570C2
DE3920570C2 DE19893920570 DE3920570A DE3920570C2 DE 3920570 C2 DE3920570 C2 DE 3920570C2 DE 19893920570 DE19893920570 DE 19893920570 DE 3920570 A DE3920570 A DE 3920570A DE 3920570 C2 DE3920570 C2 DE 3920570C2
Authority
DE
Germany
Prior art keywords
acid
acidified
ptc
ammonium sulfate
concentrated
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
DE19893920570
Other languages
German (de)
English (en)
Other versions
DE3920570A1 (de
Inventor
Harald Dr. 6000 Frankfurt De Knorr
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
Priority to DE19893920570 priority Critical patent/DE3920570A1/de
Publication of DE3920570A1 publication Critical patent/DE3920570A1/de
Application granted granted Critical
Publication of DE3920570C2 publication Critical patent/DE3920570C2/de
Granted legal-status Critical Current

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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/28Phosphorus compounds with one or more P—C bonds
    • C07F9/30Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
    • C07F9/301Acyclic saturated acids which can have further substituents on alkyl
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
DE19893920570 1989-06-23 1989-06-23 Verfahren zur isolierung von l-2-amino-4-methylphosphinobuttersaeure-ammoniumsalz aus einer enzymatischen transaminierungsloesung Granted DE3920570A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893920570 DE3920570A1 (de) 1989-06-23 1989-06-23 Verfahren zur isolierung von l-2-amino-4-methylphosphinobuttersaeure-ammoniumsalz aus einer enzymatischen transaminierungsloesung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893920570 DE3920570A1 (de) 1989-06-23 1989-06-23 Verfahren zur isolierung von l-2-amino-4-methylphosphinobuttersaeure-ammoniumsalz aus einer enzymatischen transaminierungsloesung

Publications (2)

Publication Number Publication Date
DE3920570A1 DE3920570A1 (de) 1991-01-03
DE3920570C2 true DE3920570C2 (enrdf_load_stackoverflow) 1991-04-25

Family

ID=6383406

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893920570 Granted DE3920570A1 (de) 1989-06-23 1989-06-23 Verfahren zur isolierung von l-2-amino-4-methylphosphinobuttersaeure-ammoniumsalz aus einer enzymatischen transaminierungsloesung

Country Status (1)

Country Link
DE (1) DE3920570A1 (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017151573A1 (en) 2016-03-02 2017-09-08 Agrimetis, Llc Methods for making l-glufosinate
WO2019018406A1 (en) 2017-07-18 2019-01-24 Agrimetis, Llc METHODS OF PURIFYING L-GLUFOSINATE
WO2020051188A1 (en) 2018-09-05 2020-03-12 Agrimetis, Llc Methods for improving yields of l-glufosinate
WO2023105079A1 (en) 2021-12-10 2023-06-15 Basf Se Enzymatic decarbamoylation of glufosinate derivatives
WO2023105080A1 (en) 2021-12-10 2023-06-15 Basf Se Synthesis of glufosinate using a hydantoinase-based process
WO2024175643A1 (en) 2023-02-23 2024-08-29 Basf Se A process for preparing l-glufosinate from cyanhydrine or cyanhydrine derivatives
WO2024256370A1 (en) 2023-06-13 2024-12-19 Basf Se Synthesis of glufosinate using an amidase-based process

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407197A1 (de) * 1994-03-04 1995-09-07 Hoechst Schering Agrevo Gmbh Verfahren zur Herstellung von /L/-Homoalanin-4-yl-(methyl)phosphinsäure und deren Salze durch Racematspaltung
WO2018108797A1 (de) 2016-12-15 2018-06-21 Bayer Cropscience Aktiengesellschaft Verfahren zur herstellung von l-glufosinat oder dessen salzen unter verwendung von ephedrin
WO2018108794A1 (de) 2016-12-15 2018-06-21 Bayer Cropscience Aktiengesellschaft Verfahren zur herstellung von d-glufosinat oder dessen salzen unter verwendung von ephedrin

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0248357B1 (de) * 1986-06-04 1993-07-28 Hoechst Aktiengesellschaft Verfahren zur Herstellung von L-Phosphinothricin durch Transaminierung
AU599985B2 (en) * 1986-06-09 1990-08-02 Meiji Seika Kaisha Ltd. New process for the production of L-2-amino-4- (hydroxymethyl-phosphinyl)-butyric acid

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017151573A1 (en) 2016-03-02 2017-09-08 Agrimetis, Llc Methods for making l-glufosinate
WO2019018406A1 (en) 2017-07-18 2019-01-24 Agrimetis, Llc METHODS OF PURIFYING L-GLUFOSINATE
WO2020051188A1 (en) 2018-09-05 2020-03-12 Agrimetis, Llc Methods for improving yields of l-glufosinate
WO2023105079A1 (en) 2021-12-10 2023-06-15 Basf Se Enzymatic decarbamoylation of glufosinate derivatives
WO2023105080A1 (en) 2021-12-10 2023-06-15 Basf Se Synthesis of glufosinate using a hydantoinase-based process
WO2024175643A1 (en) 2023-02-23 2024-08-29 Basf Se A process for preparing l-glufosinate from cyanhydrine or cyanhydrine derivatives
WO2024256370A1 (en) 2023-06-13 2024-12-19 Basf Se Synthesis of glufosinate using an amidase-based process

Also Published As

Publication number Publication date
DE3920570A1 (de) 1991-01-03

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8330 Complete disclaimer