CA957378A - Process for producing hemi-alkalimetal salt of 2-pyrrolidone-5-carboxylic acid - Google Patents

Process for producing hemi-alkalimetal salt of 2-pyrrolidone-5-carboxylic acid

Info

Publication number
CA957378A
CA957378A CA131,347A CA131347A CA957378A CA 957378 A CA957378 A CA 957378A CA 131347 A CA131347 A CA 131347A CA 957378 A CA957378 A CA 957378A
Authority
CA
Canada
Prior art keywords
pyrrolidone
carboxylic acid
alkalimetal salt
hemi
producing
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
CA131,347A
Other languages
English (en)
Other versions
CA131347S (en
Inventor
Miyoji Dazai
Katsumi Sugiyama
Masaaki Iida
Hideo Tazuke
Hiroo Kageyama
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.)
Ajinomoto Co Inc
Original Assignee
Ajinomoto Co Inc
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 Ajinomoto Co Inc filed Critical Ajinomoto Co Inc
Application granted granted Critical
Publication of CA957378A publication Critical patent/CA957378A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
    • A61K8/4913—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D207/24—Oxygen or sulfur atoms
    • C07D207/26—2-Pyrrolidones
    • C07D207/273—2-Pyrrolidones with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms
    • C07D207/277—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D207/28—2-Pyrrolidone-5- carboxylic acids; Functional derivatives thereof, e.g. esters, nitriles

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Birds (AREA)
  • Dermatology (AREA)
  • Pyrrole Compounds (AREA)
  • Cosmetics (AREA)
CA131,347A 1970-12-29 1971-12-29 Process for producing hemi-alkalimetal salt of 2-pyrrolidone-5-carboxylic acid Expired CA957378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12745670A JPS4926623B1 (enrdf_load_stackoverflow) 1970-12-29 1970-12-29

Publications (1)

Publication Number Publication Date
CA957378A true CA957378A (en) 1974-11-05

Family

ID=14960365

Family Applications (1)

Application Number Title Priority Date Filing Date
CA131,347A Expired CA957378A (en) 1970-12-29 1971-12-29 Process for producing hemi-alkalimetal salt of 2-pyrrolidone-5-carboxylic acid

Country Status (7)

Country Link
JP (1) JPS4926623B1 (enrdf_load_stackoverflow)
CA (1) CA957378A (enrdf_load_stackoverflow)
DE (1) DE2163939A1 (enrdf_load_stackoverflow)
FR (1) FR2120926A5 (enrdf_load_stackoverflow)
GB (1) GB1331727A (enrdf_load_stackoverflow)
IT (1) IT1033060B (enrdf_load_stackoverflow)
NL (1) NL7118024A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735263C1 (de) * 1987-10-17 1988-08-25 Degussa Verfahren zur Herstellung von Alkalimetallsalzen der L-2-Pyrrolidon-5-carbonsaeure

Also Published As

Publication number Publication date
JPS4926623B1 (enrdf_load_stackoverflow) 1974-07-10
IT1033060B (it) 1979-07-10
NL7118024A (enrdf_load_stackoverflow) 1972-07-03
DE2163939A1 (de) 1972-07-20
FR2120926A5 (enrdf_load_stackoverflow) 1972-08-18
GB1331727A (en) 1973-09-26

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19911105