FR2249667B1 - - Google Patents

Info

Publication number
FR2249667B1
FR2249667B1 FR7436797A FR7436797A FR2249667B1 FR 2249667 B1 FR2249667 B1 FR 2249667B1 FR 7436797 A FR7436797 A FR 7436797A FR 7436797 A FR7436797 A FR 7436797A FR 2249667 B1 FR2249667 B1 FR 2249667B1
Authority
FR
France
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
FR7436797A
Other versions
FR2249667A1 (fr
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
Publication of FR2249667A1 publication Critical patent/FR2249667A1/fr
Priority to US05/711,410 priority Critical patent/US4071534A/en
Application granted granted Critical
Publication of FR2249667B1 publication Critical patent/FR2249667B1/fr
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)
FR7436797A 1973-11-07 1974-11-06 Expired FR2249667B1 (fr)

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 (fr) 1973-11-07 1973-11-07
JP48124951A JPS5752344B2 (fr) 1973-11-08 1973-11-08

Publications (2)

Publication Number Publication Date
FR2249667A1 FR2249667A1 (fr) 1975-05-30
FR2249667B1 true FR2249667B1 (fr) 1982-07-09

Family

ID=26461078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7436797A Expired FR2249667B1 (fr) 1973-11-07 1974-11-06

Country Status (6)

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

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 (fr) * 1990-03-01 1991-09-05 Enco Engineering Chur Ag Procede de fabrication de sulfate-2 dihydrate d'ascorbate dipotassique

Also Published As

Publication number Publication date
CH618693A5 (en) 1980-08-15
DE2452719B2 (de) 1981-04-16
SU582763A3 (ru) 1977-11-30
FR2249667A1 (fr) 1975-05-30
CA1056838A (fr) 1979-06-19
GB1452845A (en) 1976-10-20
GB1452844A (en) 1976-10-20
DE2452719A1 (de) 1975-05-15
DE2452719C3 (de) 1982-04-22

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Legal Events

Date Code Title Description
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