CA1056838A - Process for producing l-ascorbic acid-2-sulfate - Google Patents

Process for producing l-ascorbic acid-2-sulfate

Info

Publication number
CA1056838A
CA1056838A CA212,951A CA212951A CA1056838A CA 1056838 A CA1056838 A CA 1056838A CA 212951 A CA212951 A CA 212951A CA 1056838 A CA1056838 A CA 1056838A
Authority
CA
Canada
Prior art keywords
ascorbic acid
sulfate
positions
alkali metal
earth metal
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
CA212,951A
Other languages
English (en)
French (fr)
Inventor
Elichi Hayashi
Kiyoshi Takita
Yukio Nezu
Hironari Sato
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.)
Kumiai Chemical Industry Co Ltd
Original Assignee
Kumiai Chemical Industry 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
Priority claimed from JP48124395A external-priority patent/JPS5076065A/ja
Priority claimed from JP48124951A external-priority patent/JPS5752344B2/ja
Application filed by Kumiai Chemical Industry Co Ltd filed Critical Kumiai Chemical Industry Co Ltd
Priority to US05/711,410 priority Critical patent/US4071534A/en
Application granted granted Critical
Publication of CA1056838A publication Critical patent/CA1056838A/en
Expired legal-status Critical Current

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
  • Furan Compounds (AREA)
CA212,951A 1973-11-07 1974-11-04 Process for producing l-ascorbic acid-2-sulfate Expired CA1056838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/711,410 US4071534A (en) 1973-11-07 1976-08-03 Process for producing l-ascorbic acid-2-sulfate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48124395A JPS5076065A (enrdf_load_stackoverflow) 1973-11-07 1973-11-07
JP48124951A JPS5752344B2 (enrdf_load_stackoverflow) 1973-11-08 1973-11-08

Publications (1)

Publication Number Publication Date
CA1056838A true CA1056838A (en) 1979-06-19

Family

ID=26461078

Family Applications (1)

Application Number Title Priority Date Filing Date
CA212,951A Expired CA1056838A (en) 1973-11-07 1974-11-04 Process for producing l-ascorbic acid-2-sulfate

Country Status (6)

Country Link
CA (1) CA1056838A (enrdf_load_stackoverflow)
CH (1) CH618693A5 (enrdf_load_stackoverflow)
DE (1) DE2452719C3 (enrdf_load_stackoverflow)
FR (1) FR2249667B1 (enrdf_load_stackoverflow)
GB (2) GB1452844A (enrdf_load_stackoverflow)
SU (1) SU582763A3 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1489734A (en) * 1975-04-08 1977-10-26 Nippon Chemiphar Co Ascorbic acid derivative and pharmaceutical compositions containing the same
CH679151A5 (de) * 1989-07-17 1991-12-31 Enco Eng Ag Verfahren zur herstellung von dikalium-ascorbat-2-sulfat.
WO1991013068A1 (de) * 1990-03-01 1991-09-05 Enco Engineering Chur Ag Verfahren zur herstellung von dikalium-ascorbat-2-sulfat

Also Published As

Publication number Publication date
DE2452719C3 (de) 1982-04-22
DE2452719B2 (de) 1981-04-16
DE2452719A1 (de) 1975-05-15
GB1452844A (en) 1976-10-20
FR2249667A1 (enrdf_load_stackoverflow) 1975-05-30
FR2249667B1 (enrdf_load_stackoverflow) 1982-07-09
CH618693A5 (en) 1980-08-15
GB1452845A (en) 1976-10-20
SU582763A3 (ru) 1977-11-30

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