GB8421964D0 - Chemical process - Google Patents

Chemical process

Info

Publication number
GB8421964D0
GB8421964D0 GB848421964A GB8421964A GB8421964D0 GB 8421964 D0 GB8421964 D0 GB 8421964D0 GB 848421964 A GB848421964 A GB 848421964A GB 8421964 A GB8421964 A GB 8421964A GB 8421964 D0 GB8421964 D0 GB 8421964D0
Authority
GB
United Kingdom
Prior art keywords
racemisation
chemical process
resolution
situ
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.)
Pending
Application number
GB848421964A
Other languages
English (en)
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.)
Beecham Group PLC
Original Assignee
Beecham Group PLC
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 Beecham Group PLC filed Critical Beecham Group PLC
Priority to GB848421964A priority Critical patent/GB8421964D0/en
Publication of GB8421964D0 publication Critical patent/GB8421964D0/en
Priority to EP85110569A priority patent/EP0173921B1/en
Priority to DE8585110569T priority patent/DE3562772D1/de
Priority to AT85110569T priority patent/ATE34381T1/de
Priority to ES546489A priority patent/ES8703827A1/es
Priority to AU46825/85A priority patent/AU4682585A/en
Priority to PT81043A priority patent/PT81043B/pt
Priority to JP60189331A priority patent/JPS6169748A/ja
Priority to US06/770,508 priority patent/US4647692A/en
Priority to ZA856540A priority patent/ZA856540B/xx
Priority to DK391585A priority patent/DK391585A/da
Priority to GR852076A priority patent/GR852076B/el
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B55/00—Racemisation; Complete or partial inversion
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B57/00—Separation of optically-active compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB848421964A 1984-08-30 1984-08-30 Chemical process Pending GB8421964D0 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB848421964A GB8421964D0 (en) 1984-08-30 1984-08-30 Chemical process
EP85110569A EP0173921B1 (en) 1984-08-30 1985-08-22 Process for the racemization of an alpha-amino acid
DE8585110569T DE3562772D1 (en) 1984-08-30 1985-08-22 Process for the racemization of an alpha-amino acid
AT85110569T ATE34381T1 (de) 1984-08-30 1985-08-22 Verfahren zur racemisierung einer alphaaminocarbons|ure.
GR852076A GR852076B (enExample) 1984-08-30 1985-08-28
ES546489A ES8703827A1 (es) 1984-08-30 1985-08-28 Procedimeinto quimico para la racemiracion de un x-aminoacido.
AU46825/85A AU4682585A (en) 1984-08-30 1985-08-28 Racemisation of amino acids
PT81043A PT81043B (en) 1984-08-30 1985-08-28 Chemical process
JP60189331A JPS6169748A (ja) 1984-08-30 1985-08-28 化学方法
US06/770,508 US4647692A (en) 1984-08-30 1985-08-28 Racemization and resolution of α-amino acids
ZA856540A ZA856540B (en) 1984-08-30 1985-08-28 Chemical process
DK391585A DK391585A (da) 1984-08-30 1985-08-28 Kemisk proces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848421964A GB8421964D0 (en) 1984-08-30 1984-08-30 Chemical process

Publications (1)

Publication Number Publication Date
GB8421964D0 true GB8421964D0 (en) 1984-10-03

Family

ID=10566049

Family Applications (1)

Application Number Title Priority Date Filing Date
GB848421964A Pending GB8421964D0 (en) 1984-08-30 1984-08-30 Chemical process

Country Status (12)

Country Link
US (1) US4647692A (enExample)
EP (1) EP0173921B1 (enExample)
JP (1) JPS6169748A (enExample)
AT (1) ATE34381T1 (enExample)
AU (1) AU4682585A (enExample)
DE (1) DE3562772D1 (enExample)
DK (1) DK391585A (enExample)
ES (1) ES8703827A1 (enExample)
GB (1) GB8421964D0 (enExample)
GR (1) GR852076B (enExample)
PT (1) PT81043B (enExample)
ZA (1) ZA856540B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0499376A1 (en) * 1991-01-31 1992-08-19 Hoechst Celanese Corporation Precipitation-induced asymmetric transformation of chiral alpha-amino acids and salts thereof
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
JP2921395B2 (ja) * 1994-05-25 1999-07-19 松下電器産業株式会社 識別番号を有する電子機器の製造方法
EP0784603B1 (en) * 1994-10-07 2003-04-23 Darwin Discovery Limited Racemisation of precursors to levobupivacaine and analogues thereof
US6156900A (en) * 1994-10-07 2000-12-05 Darwin Discovery Limited Racemization of precursors to levobupivacaine and analogues thereof
US6812363B2 (en) * 2002-10-15 2004-11-02 Usv Limited Racemization of optically active 2-substituted phenyl glycine esters
JP2011024572A (ja) * 2009-06-29 2011-02-10 Mitsubishi Gas Chemical Co Inc 光学活性アミノ酸の製造法
KR20170029965A (ko) * 2015-09-08 2017-03-16 주식회사 아미노로직스 D-아르기닌의 제조 방법
WO2018108794A1 (de) 2016-12-15 2018-06-21 Bayer Cropscience Aktiengesellschaft Verfahren zur herstellung von d-glufosinat oder dessen salzen unter verwendung von ephedrin
WO2018108797A1 (de) 2016-12-15 2018-06-21 Bayer Cropscience Aktiengesellschaft Verfahren zur herstellung von l-glufosinat oder dessen salzen unter verwendung von ephedrin
CA3133296A1 (en) 2019-04-16 2020-10-22 Brian Michael GREEN Methods for producing crystalline l-glufosinate ammonium monohydrate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458568A (en) * 1965-02-19 1969-07-29 Toa Gosei Chem Ind Process for preparing an optically inactive amino acid from an optically active amino acid
GB1417060A (en) * 1972-10-19 1975-12-10 Ajinomoto Kk Racemization of optically active n-acyl amino acids
JPS54109912A (en) * 1978-02-14 1979-08-29 Ajinomoto Co Inc Racemization of optically active amino acid ester
US4401820A (en) * 1981-01-23 1983-08-30 Tanabe Seiyaku Co., Ltd. Process for racemizing optically active α-amino acids or a salt thereof
JPS5810544A (ja) * 1981-07-09 1983-01-21 Tanabe Seiyaku Co Ltd 光学活性ｐ−ヒドロキシフエニルグリシン塩の製法

Also Published As

Publication number Publication date
PT81043A (en) 1985-09-01
ATE34381T1 (de) 1988-06-15
DK391585A (da) 1986-03-01
AU4682585A (en) 1986-03-06
GR852076B (enExample) 1985-12-23
EP0173921A1 (en) 1986-03-12
EP0173921B1 (en) 1988-05-18
ZA856540B (en) 1986-06-25
DE3562772D1 (en) 1988-06-23
ES8703827A1 (es) 1987-03-01
DK391585D0 (da) 1985-08-28
PT81043B (en) 1987-04-06
US4647692A (en) 1987-03-03
ES546489A0 (es) 1987-03-01
JPS6169748A (ja) 1986-04-10

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