DK131467C - Fremgangsmade til fremstilling af vitamin c - Google Patents

Fremgangsmade til fremstilling af vitamin c

Info

Publication number
DK131467C
DK131467C DK51269A DK51269A DK131467C DK 131467 C DK131467 C DK 131467C DK 51269 A DK51269 A DK 51269A DK 51269 A DK51269 A DK 51269A DK 131467 C DK131467 C DK 131467C
Authority
DK
Denmark
Prior art keywords
vitamin
manufacturing procedure
procedure
manufacturing
Prior art date
Application number
DK51269A
Other languages
English (en)
Other versions
DK131467B (da
Inventor
R Bogoczek
Original Assignee
Politechnika Slaska Im Wincent
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 PL12501368A external-priority patent/PL69743B1/xx
Priority claimed from PL12501568A external-priority patent/PL69744B1/xx
Priority claimed from PL13020568A external-priority patent/PL69740B1/xx
Application filed by Politechnika Slaska Im Wincent filed Critical Politechnika Slaska Im Wincent
Publication of DK131467B publication Critical patent/DK131467B/da
Application granted granted Critical
Publication of DK131467C publication Critical patent/DK131467C/da

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DK51269A 1968-02-01 1969-01-30 Fremgangsmade til fremstilling af vitamin c DK131467C (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PL12501368A PL69743B1 (da) 1968-02-01 1968-02-01
PL12501568A PL69744B1 (da) 1968-02-01 1968-02-01
PL13020568A PL69740B1 (da) 1968-11-23 1968-11-23

Publications (2)

Publication Number Publication Date
DK131467B DK131467B (da) 1975-07-21
DK131467C true DK131467C (da) 1976-02-09

Family

ID=27354018

Family Applications (1)

Application Number Title Priority Date Filing Date
DK51269A DK131467C (da) 1968-02-01 1969-01-30 Fremgangsmade til fremstilling af vitamin c

Country Status (10)

Country Link
JP (1) JPS4830273B1 (da)
AT (1) AT308290B (da)
CH (1) CH490368A (da)
CS (1) CS169787B2 (da)
DE (1) DE1904619C3 (da)
DK (1) DK131467C (da)
ES (1) ES363151A1 (da)
FR (1) FR2001090A1 (da)
GB (1) GB1222322A (da)
SE (1) SE363322B (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177986A (ja) * 1982-04-09 1983-10-18 Shionogi & Co Ltd Ｌ−アスコルビン酸の製造方法
ES2061395B1 (es) * 1993-02-09 1995-12-16 Velasco Clemente Jesus Sanchez Carburador de inyeccion adicional variable de aire y combustible, controlado mediante embolo diferencial fijado a corredera con movimiento lineal directo.
DE19938980A1 (de) 1999-08-19 2001-02-22 Basf Ag Verfahren zur Herstellung von 2-Keto-L-gulonsäureestern
DE19954511A1 (de) 1999-11-12 2001-05-17 Basf Ag Verfahren zur Herstellung von Alkalisalzen der L-Ascorbinsäure
DE10022518A1 (de) 2000-05-10 2001-11-15 Basf Ag Verfahren zur Herstellung von L-Ascorbinsäure durch Lactonisierung von 2-Keto-L-gulonsäure oder 2-Keto-L-gulonsäureestern
JP2004516319A (ja) 2000-12-22 2004-06-03 イーストマン ケミカル カンパニー 亜硫酸塩の存在下でのアスコルビン酸の製造方法
ATE295843T1 (de) * 2000-12-22 2005-06-15 Eastman Chem Co Kontinuierliches verfahren zur herstellung von l- ascorbinsäure
US6740762B2 (en) 2001-08-24 2004-05-25 Eastman Chemical Company Process for ascorbic acids using alkaline earth silicate catalysts
US6716997B1 (en) 2001-10-09 2004-04-06 Eastman Chemical Company Systems and methods for generation of ascorbic acid with reduced color
DE10231890B4 (de) 2002-07-12 2004-07-01 Basf Ag Verfahren zur Abtrennung von Ascorbinsäure aus einem polaren, Ascorbinsäure und 2-Keto-L-gulonsäure enthaltenden Lösungsmittel

Also Published As

Publication number Publication date
DE1904619C3 (de) 1975-06-12
SE363322B (da) 1974-01-14
CS169787B2 (da) 1976-07-29
JPS4830273B1 (da) 1973-09-18
FR2001090A1 (da) 1969-09-26
DE1904619A1 (de) 1970-08-27
DK131467B (da) 1975-07-21
CH490368A (fr) 1970-05-15
GB1222322A (en) 1971-02-10
ES363151A1 (es) 1970-11-16
AT308290B (de) 1973-06-25
DE1904619B2 (de) 1974-10-31

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