DE1543919C3 - Verfahren zur Racemisierung von optisch aktiven Aminosäuren - Google Patents

Verfahren zur Racemisierung von optisch aktiven Aminosäuren

Info

Publication number
DE1543919C3
DE1543919C3 DE1543919A DE1543919A DE1543919C3 DE 1543919 C3 DE1543919 C3 DE 1543919C3 DE 1543919 A DE1543919 A DE 1543919A DE 1543919 A DE1543919 A DE 1543919A DE 1543919 C3 DE1543919 C3 DE 1543919C3
Authority
DE
Germany
Prior art keywords
acid
racemization
amino acid
optically active
water
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
Application number
DE1543919A
Other languages
German (de)
English (en)
Other versions
DE1543919B2 (de
DE1543919A1 (de
Inventor
Hiroo Ito
Takahisa Ogasawara
Shigenari Kasugai Suzuki
Hidemaro Tatemichi
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.)
Toagosei Co Ltd
Original Assignee
Toagosei Co Ltd
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 Toagosei Co Ltd filed Critical Toagosei Co Ltd
Publication of DE1543919A1 publication Critical patent/DE1543919A1/de
Publication of DE1543919B2 publication Critical patent/DE1543919B2/de
Application granted granted Critical
Publication of DE1543919C3 publication Critical patent/DE1543919C3/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/36Racemisation of optical isomers
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C279/00Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
    • C07C279/04Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of guanidine groups bound to acyclic carbon atoms of a carbon skeleton
    • C07C279/10Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of guanidine groups bound to acyclic carbon atoms of a carbon skeleton being further substituted by doubly-bound oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C07C323/23Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton
    • C07C323/24Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE1543919A 1965-02-19 1966-02-18 Verfahren zur Racemisierung von optisch aktiven Aminosäuren Expired DE1543919C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP912365 1965-02-19

Publications (3)

Publication Number Publication Date
DE1543919A1 DE1543919A1 (de) 1970-01-08
DE1543919B2 DE1543919B2 (de) 1973-04-12
DE1543919C3 true DE1543919C3 (de) 1973-11-08

Family

ID=11711847

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1543919A Expired DE1543919C3 (de) 1965-02-19 1966-02-18 Verfahren zur Racemisierung von optisch aktiven Aminosäuren

Country Status (3)

Country Link
US (1) US3458568A (enExample)
DE (1) DE1543919C3 (enExample)
NL (1) NL6602194A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3692775A (en) * 1969-03-17 1972-09-19 Allied Chem Racemization of d-or l-{60 -amino-caprolactam in the presence of metal ions
GB1417060A (en) * 1972-10-19 1975-12-10 Ajinomoto Kk Racemization of optically active n-acyl amino acids
DE2749203C2 (de) * 1977-11-03 1981-12-17 Riedel-De Haen Ag, 3016 Seelze Verfahren zur Racematspaltung von DL-alpha-Aminocarbonsäuren und diastereomere Salze
US4401820A (en) * 1981-01-23 1983-08-30 Tanabe Seiyaku Co., Ltd. Process for racemizing optically active α-amino acids or a salt thereof
DE3209232A1 (de) * 1982-03-13 1983-09-22 Degussa Ag, 6000 Frankfurt Verfahren zur racemisierung von optisch aktivem s-(carboxymethyl)-cystein
DE3334849A1 (de) * 1983-09-27 1985-04-04 Hoechst Ag, 6230 Frankfurt Verfahren zur racemisierung optisch aktiver aminosaeuren
GB8421964D0 (en) * 1984-08-30 1984-10-03 Beecham Group Plc Chemical process
DE3435095C2 (de) * 1984-09-25 1986-07-24 Degussa Ag, 6000 Frankfurt Verfahren zur Racemisierung von N-Acetyl-D(L)-α-aminocarbonsäuren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2071327A (en) * 1935-08-15 1937-02-23 Rudolph S Bley Process of racemizing amino acids
US3213106A (en) * 1961-11-16 1965-10-19 Ajinomoto Kk Process of racemizing optically active alpha acids
US3297637A (en) * 1962-01-18 1967-01-10 Ajinomoto Kk Method of racemizing optically active amino acids using insoluble resins having ortho-disubstituted benzene nuclei

Also Published As

Publication number Publication date
US3458568A (en) 1969-07-29
DE1543919B2 (de) 1973-04-12
NL6602194A (enExample) 1966-08-22
DE1543919A1 (de) 1970-01-08

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)