CH555804A - Procede de preparation de cirstaux de l'hemichlorhydrate de 3,4-dihydroxyphenylalanine nouveau. - Google Patents

Procede de preparation de cirstaux de l'hemichlorhydrate de 3,4-dihydroxyphenylalanine nouveau.

Info

Publication number
CH555804A
CH555804A CH1498671A CH1498671A CH555804A CH 555804 A CH555804 A CH 555804A CH 1498671 A CH1498671 A CH 1498671A CH 1498671 A CH1498671 A CH 1498671A CH 555804 A CH555804 A CH 555804A
Authority
CH
Switzerland
Prior art keywords
hemichlorhydrate
cirstals
dihydroxyphenylalanine
preparing
new
Prior art date
Application number
CH1498671A
Other languages
English (en)
Original Assignee
Ajinomoto Kk
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
Priority claimed from JP9073870A external-priority patent/JPS507072B1/ja
Priority claimed from JP9619370A external-priority patent/JPS507073B1/ja
Priority claimed from JP12886170A external-priority patent/JPS5012419B1/ja
Priority claimed from JP12871570A external-priority patent/JPS5012418B1/ja
Application filed by Ajinomoto Kk filed Critical Ajinomoto Kk
Publication of CH555804A publication Critical patent/CH555804A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C229/34—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
    • C07C229/36—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings with at least one amino group and one carboxyl group bound to the same carbon atom of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1498671A 1970-10-15 1971-10-14 Procede de preparation de cirstaux de l'hemichlorhydrate de 3,4-dihydroxyphenylalanine nouveau. CH555804A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9073870A JPS507072B1 (fr) 1970-10-15 1970-10-15
JP9619370A JPS507073B1 (fr) 1970-10-31 1970-10-31
JP12886170A JPS5012419B1 (fr) 1970-12-28 1970-12-28
JP12871570A JPS5012418B1 (fr) 1970-12-30 1970-12-30

Publications (1)

Publication Number Publication Date
CH555804A true CH555804A (fr) 1974-11-15

Family

ID=27467810

Family Applications (2)

Application Number Title Priority Date Filing Date
CH174873A CH574394A5 (fr) 1970-10-15 1971-10-14
CH1498671A CH555804A (fr) 1970-10-15 1971-10-14 Procede de preparation de cirstaux de l'hemichlorhydrate de 3,4-dihydroxyphenylalanine nouveau.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH174873A CH574394A5 (fr) 1970-10-15 1971-10-14

Country Status (5)

Country Link
US (1) US3830836A (fr)
CH (2) CH574394A5 (fr)
DE (1) DE2151096A1 (fr)
FR (1) FR2110019A5 (fr)
GB (1) GB1338266A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5419931A (en) * 1977-07-11 1979-02-15 Sumitomo Chem Co Ltd Separation of threo, erythro-3-(3,4-dibenzyloxyphenyl)serines
US4230883A (en) * 1977-12-12 1980-10-28 Merck & Co., Inc. Preparation of hydroxyphenylalanine hydrohalide salts
JPS5679652A (en) * 1979-12-05 1981-06-30 Ajinomoto Co Inc Novel phenylalanine salt crystal
US20070027216A1 (en) * 2005-07-15 2007-02-01 Bridget Larson Novel hydrochloride salts of levodopa

Also Published As

Publication number Publication date
FR2110019A5 (fr) 1972-05-26
CH574394A5 (fr) 1976-04-15
US3830836A (en) 1974-08-20
GB1338266A (en) 1973-11-21
DE2151096A1 (de) 1972-05-31

Similar Documents

Publication Publication Date Title
BE763529A (fr) Procede de preparation d'allophanate-polyisocyanates
BE768485A (fr) Procede de preparation d'aryloxy-1,1,2,2-tetrafluoro-ethanes
CH552626A (fr) Procede de preparation d'ureido-cephalosporines heterocycliques.
CH550770A (fr) Procede de preparation de nouveaux composes 2,3-cistetrahydronaphtyloxy-aminopropanol.
BE786840A (fr) Procede de preparation de 1,2,4-triazine -5-ones
BE766264A (fr) Procede de preparation de 1,2-benzisothiazoline-3-ones
CH553182A (fr) Procede de preparation de 2,2-diaryl-4-(4'-aryl-4'-hydroxypiperidino)-butyramides ou -vateramides.
BE774202A (fr) Procede de preparation de la n,n,n',n'-tetraacetyl-ethylene- diamine
BE753227A (fr) Procede de preparation de cyclododecatriene-1,5,9"
CH555149A (fr) Procede de preparation d'une composition a fumer.
CH550796A (fr) Procede de preparation de derives de quinoleine.
BE777068A (fr) Procede de preparation d'alcoylphenols
BE762686A (fr) Nouveau procede pour la preparation de 2,5-dialkyl-4-hydroxy-3h-furane-3-ones
CH555804A (fr) Procede de preparation de cirstaux de l'hemichlorhydrate de 3,4-dihydroxyphenylalanine nouveau.
BE777067A (fr) Procede de preparation d'alcoylphenols
BE761304A (fr) Procede de preparation d'aminophenyl-trial-coxy-silanes
BE787410A (fr) Procede de preparation du 1,1-difluorethane
BE768303A (fr) Procede de preparation de 1,1,2,2-tetrahydroperfluoro- alcanols
CH551937A (fr) Procede de preparation de saligenol.
BE788885A (fr) Procede de preparation de thiocarbonates
BE776050A (fr) Procede de preparation de derives d'ureidophenoxy-alcanolamines.
BE764533A (fr) Procede de preparation de n,o-dialkylhydroxylamines
CH553804A (fr) Procede de preparation de pyridopyrimidones substituees.
BE775046A (fr) Procede de preparation du methylene-2,2-propanediol-1,3
BE770917A (fr) Procede de preparation de 2,6-di-tertiobutyl phenol

Legal Events

Date Code Title Description
PL Patent ceased