DE2163939A1 - Alkalimetallhalbsalze von 2-Pyrrolidon-5-carbonsäure und Verfahren zu ihrer Herstellung - Google Patents

Alkalimetallhalbsalze von 2-Pyrrolidon-5-carbonsäure und Verfahren zu ihrer Herstellung

Info

Publication number
DE2163939A1
DE2163939A1 DE19712163939 DE2163939A DE2163939A1 DE 2163939 A1 DE2163939 A1 DE 2163939A1 DE 19712163939 DE19712163939 DE 19712163939 DE 2163939 A DE2163939 A DE 2163939A DE 2163939 A1 DE2163939 A1 DE 2163939A1
Authority
DE
Germany
Prior art keywords
pyrrolidone
carboxylic acid
alkali metal
pca
salts
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
DE19712163939
Other languages
German (de)
English (en)
Inventor
Miyoji Yokkaichi Mie; Sugiyama Katsumi Kawasaki; Iida Masaaki Yokohama; Kanagawa; Tazuke Hideo Tokio; Kageyama Hiroo Kamakura Kanagawa; Dazai (Japan)
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
Publication of DE2163939A1 publication Critical patent/DE2163939A1/de
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4906Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
    • A61K8/4913Cosmetics 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D207/00Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02Heterocyclic 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
    • C07D207/18Heterocyclic 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
    • C07D207/22Heterocyclic 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
    • C07D207/24Oxygen or sulfur atoms
    • C07D207/262-Pyrrolidones
    • C07D207/2732-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
    • C07D207/277Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D207/282-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)
DE19712163939 1970-12-29 1971-12-22 Alkalimetallhalbsalze von 2-Pyrrolidon-5-carbonsäure und Verfahren zu ihrer Herstellung Pending DE2163939A1 (de)

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
DE2163939A1 true DE2163939A1 (de) 1972-07-20

Family

ID=14960365

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712163939 Pending DE2163939A1 (de) 1970-12-29 1971-12-22 Alkalimetallhalbsalze von 2-Pyrrolidon-5-carbonsäure und Verfahren zu ihrer Herstellung

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)

Cited By (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

Cited By (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
CA957378A (en) 1974-11-05
FR2120926A5 (enrdf_load_stackoverflow) 1972-08-18
GB1331727A (en) 1973-09-26

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Legal Events

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OHA Expiration of time for request for examination