CH357150A - Process for increasing the resistance of ascorbic acid - Google Patents

Process for increasing the resistance of ascorbic acid

Info

Publication number
CH357150A
CH357150A CH357150DA CH357150A CH 357150 A CH357150 A CH 357150A CH 357150D A CH357150D A CH 357150DA CH 357150 A CH357150 A CH 357150A
Authority
CH
Switzerland
Prior art keywords
increasing
resistance
ascorbic acid
ascorbic
acid
Prior art date
Application number
Other languages
German (de)
Inventor
Christel Dr Engelking
Hermann Dr Kunze
Original Assignee
Merck Ag E
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 Merck Ag E filed Critical Merck Ag E
Publication of CH357150A publication Critical patent/CH357150A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/365—Lactones
    • A61K31/375—Ascorbic acid, i.e. vitamin C; Salts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5015—Organic compounds, e.g. fats, sugars

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Furan Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH357150D 1956-10-20 1957-05-16 Process for increasing the resistance of ascorbic acid CH357150A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE357150X 1956-10-20

Publications (1)

Publication Number Publication Date
CH357150A true CH357150A (en) 1961-09-30

Family

ID=6290497

Family Applications (1)

Application Number Title Priority Date Filing Date
CH357150D CH357150A (en) 1956-10-20 1957-05-16 Process for increasing the resistance of ascorbic acid

Country Status (4)

Country Link
BE (1) BE557714A (en)
CH (1) CH357150A (en)
GB (1) GB826307A (en)
NL (2) NL217458A (en)

Also Published As

Publication number Publication date
NL96043C (en)
NL217458A (en)
GB826307A (en) 1959-12-31
BE557714A (en)

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