ES363151A1 - Procedimiento para la preparacion de vitamina c. - Google Patents

Procedimiento para la preparacion de vitamina c.

Info

Publication number
ES363151A1
ES363151A1 ES363151A ES363151A ES363151A1 ES 363151 A1 ES363151 A1 ES 363151A1 ES 363151 A ES363151 A ES 363151A ES 363151 A ES363151 A ES 363151A ES 363151 A1 ES363151 A1 ES 363151A1
Authority
ES
Spain
Prior art keywords
acid
keto
heating
cation exchange
vitamin
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
ES363151A
Other languages
English (en)
Spanish (es)
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.)
Politechnika Slaska im Wincentego Pstrowskiego
Original Assignee
Politechnika Slaska im Wincentego Pstrowskiego
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 Wincentego Pstrowskiego filed Critical Politechnika Slaska im Wincentego Pstrowskiego
Publication of ES363151A1 publication Critical patent/ES363151A1/es
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ES363151A 1968-02-01 1969-01-31 Procedimiento para la preparacion de vitamina c. Expired ES363151A1 (es)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
ES363151A1 true ES363151A1 (es) 1970-11-16

Family

ID=27354018

Family Applications (1)

Application Number Title Priority Date Filing Date
ES363151A Expired ES363151A1 (es) 1968-02-01 1969-01-31 Procedimiento para la preparacion de vitamina c.

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2061395A2 (es) * 1993-02-09 1994-12-01 Velasco Clemente Jesus Sanchez Carburador de inyeccion adicional variable de aire y combustible, controlado mediante embolo diferencial fijado a corredera con movimiento lineal directo.

Families Citing this family (9)

* 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
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
CN1507440A (zh) * 2000-12-22 2004-06-23 �Ϻ���ͨ��ѧ 生产l-抗坏血酸的连续方法
CN1230429C (zh) 2000-12-22 2005-12-07 伊斯曼化学公司 在亚硫酸盐存在下制造抗坏血酸的方法
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2061395A2 (es) * 1993-02-09 1994-12-01 Velasco Clemente Jesus Sanchez Carburador de inyeccion adicional variable de aire y combustible, controlado mediante embolo diferencial fijado a corredera con movimiento lineal directo.

Also Published As

Publication number Publication date
DE1904619A1 (de) 1970-08-27
FR2001090A1 (de) 1969-09-26
DE1904619B2 (de) 1974-10-31
GB1222322A (en) 1971-02-10
DE1904619C3 (de) 1975-06-12
DK131467B (da) 1975-07-21
CH490368A (fr) 1970-05-15
AT308290B (de) 1973-06-25
SE363322B (de) 1974-01-14
DK131467C (da) 1976-02-09
JPS4830273B1 (de) 1973-09-18
CS169787B2 (de) 1976-07-29

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