DK131467B - Fremgangsmåde til fremstilling af vitamin C. - Google Patents

Fremgangsmåde til fremstilling af vitamin C.

Info

Publication number: DK131467B
Authority: DK; Denmark
Prior art keywords: vitamin; production
Prior art date: 1968-02-01

Application number

DK51269A

Other languages

English (en)

Other versions

DK131467C (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.)

1968-02-01

Filing date

1969-01-30

Publication date

1975-07-21

1968-02-01 Priority claimed from PL12501568A external-priority patent/PL69744B1/xx

1968-02-01 Priority claimed from PL12501368A external-priority patent/PL69743B1/xx

1968-11-23 Priority claimed from PL13020568A external-priority patent/PL69740B1/xx

1969-01-30 Application filed by Politechnika Slaska Im Wincent filed Critical Politechnika Slaska Im Wincent

1975-07-21 Publication of DK131467B publication Critical patent/DK131467B/da

1976-02-09 Application granted granted Critical

1976-02-09 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)
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)

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
PL12501568A PL69744B1 (da)	1968-02-01	1968-02-01
PL12501368A PL69743B1 (da)	1968-02-01	1968-02-01
PL13020568A PL69740B1 (da)	1968-11-23	1968-11-23

Publications (2)

Publication Number	Publication Date
DK131467B true DK131467B (da)	1975-07-21
DK131467C 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
WO2002051826A1 (en) *	2000-12-22	2002-07-04	Eastman Chemical Company	Continuous process for producing l-ascorbic acid
EP1368329B1 (en)	2000-12-22	2005-08-31	Eastman Chemical Company	Process for producing ascorbic acid in the presence of a sulfit
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

1969
- 1969-01-22 CH CH97469A patent/CH490368A/fr not_active IP Right Cessation
- 1969-01-24 FR FR6901434A patent/FR2001090A1/fr not_active Withdrawn
- 1969-01-27 AT AT79869A patent/AT308290B/de not_active IP Right Cessation
- 1969-01-30 DK DK51269A patent/DK131467C/da active
- 1969-01-30 DE DE19691904619 patent/DE1904619C3/de not_active Expired
- 1969-01-31 JP JP677369A patent/JPS4830273B1/ja active Pending
- 1969-01-31 SE SE132669A patent/SE363322B/xx unknown
- 1969-01-31 CS CS62569A patent/CS169787B2/cs unknown
- 1969-01-31 ES ES363151A patent/ES363151A1/es not_active Expired
- 1969-02-03 GB GB559569A patent/GB1222322A/en not_active Expired

Also Published As

Publication number	Publication date
GB1222322A (en)	1971-02-10
CH490368A (fr)	1970-05-15
JPS4830273B1 (da)	1973-09-18
DE1904619C3 (de)	1975-06-12
DK131467C (da)	1976-02-09
DE1904619A1 (de)	1970-08-27
AT308290B (de)	1973-06-25
DE1904619B2 (de)	1974-10-31
ES363151A1 (es)	1970-11-16
CS169787B2 (da)	1976-07-29
FR2001090A1 (da)	1969-09-26
SE363322B (da)	1974-01-14

Similar Documents

Publication	Publication Date	Title
DK134646B (da)	1976-12-13	Analogifremgangsmåde til fremstilling af bis-chromoner.
DK129561B (da)	1974-10-28	Fremgangsmåde til fremstilling af olieholdige mikrokapsler.
DK127333B (da)	1973-10-22	Fremgangsmåde til fremstilling af uricase.
DK125255B (da)	1973-01-22	Fremgangsmåde til fremstilling af lipase.
DK126452B (da)	1973-07-16	Fremgangsmåde til fremstilling af erytrocyter.
DK138330B (da)	1978-08-14	Fremgangsmåde til fremstilling af penicilliner.
DK131467B (da)	1975-07-21	Fremgangsmåde til fremstilling af vitamin C.
DK125091B (da)	1972-12-27	Fremgangsmåde til fremstilling af 1-hydroxy-2-pyridoner.
DK138315B (da)	1978-08-14	Fremgangsmåde til fremstilling af pleuromutilin-derivater.
DK124749B (da)	1972-11-20	Fremgangsmåde til fremstilling af glucagon.
DK131772B (da)	1975-09-01	Fremgangsmåde til fremstilling af alfa-semihydratgips.
DK125852B (da)	1973-05-14	Fremgangsmåde til fremstilling af erythromycylamin.
DK126944B (da)	1973-09-03	Analogifremgangsmåde til fremstilling af hexahydrobenzindolderivater.
DK125089B (da)	1972-12-27	Analogifremgangsmåde til fremstilling af evomonosidderivater.
DK122124B (da)	1972-01-24	Fremgangsmåde til fremstilling af 2-acyloxythionobenzamider.
DK134903B (da)	1977-02-07	Fremgangsmåde til fremstilling af aldehyder.
DK119604B (da)	1971-02-01	Fremgangsmåde til fremstilling af urinstof.
DK140729B (da)	1979-11-05	Fremgangsmåde til kontinuerlig fremstilling af smørefedt.
DK128778B (da)	1974-07-01	Analogifremgangsmåde til fremstilling af bis-2-carboxy-chromonylderivater.
DK123300B (da)	1972-06-05	Analogifremgangsmåde til fremstilling af thiophen-3-isonitriler.
DK124338B (da)	1972-10-09	Fremgangsmåde til fremstilling af uricase.
DK128008B (da)	1974-02-18	Fremgangsmåde til fremstilling af 1-glykosyl-5-azacytosiner.
DK123096B (da)	1972-05-15	Analogifremgangsmåde til fremstilling af neriifolinderivater.
DK122456B (da)	1972-03-06	Fremgangsmåde til fremstilling af quinoxalin-di-N-oxid-aldehyd.
DK122816B (da)	1972-04-17	Analogifremgangsmåde til fremstilling af 3-aryl-5-methylhydantoiner.