DK3589D0 - Fremgangsmaade til fremstilling af l-ascorbinsyre - Google Patents

Fremgangsmaade til fremstilling af l-ascorbinsyre

Info

Publication number
DK3589D0
DK3589D0 DK003589A DK3589A DK3589D0 DK 3589 D0 DK3589 D0 DK 3589D0 DK 003589 A DK003589 A DK 003589A DK 3589 A DK3589 A DK 3589A DK 3589 D0 DK3589 D0 DK 3589D0
Authority
DK
Denmark
Prior art keywords
preparing
ascorbic acid
ascorbic
acid
Prior art date
Application number
DK003589A
Other languages
English (en)
Other versions
DK3589A (da
Inventor
Merrill Lozanov
Original Assignee
Pfizer
Lubrizol Corp
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
Application filed by Pfizer, Lubrizol Corp filed Critical Pfizer
Publication of DK3589D0 publication Critical patent/DK3589D0/da
Publication of DK3589A publication Critical patent/DK3589A/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)
DK003589A 1988-01-06 1989-01-05 Fremgangsmaade til fremstilling af l-ascorbinsyre DK3589A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14209888A 1988-01-06 1988-01-06

Publications (2)

Publication Number Publication Date
DK3589D0 true DK3589D0 (da) 1989-01-05
DK3589A DK3589A (da) 1989-07-07

Family

ID=22498548

Family Applications (1)

Application Number Title Priority Date Filing Date
DK003589A DK3589A (da) 1988-01-06 1989-01-05 Fremgangsmaade til fremstilling af l-ascorbinsyre

Country Status (8)

Country Link
EP (1) EP0324261A1 (da)
JP (1) JPH01213275A (da)
CN (1) CN1035665A (da)
AU (1) AU608929B2 (da)
DK (1) DK3589A (da)
MX (1) MX169971B (da)
YU (1) YU1389A (da)
ZA (1) ZA8986B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08188578A (ja) * 1994-11-11 1996-07-23 Takeda Chem Ind Ltd Ｌ−アスコルビン酸の製造方法
DE19547073C1 (de) * 1995-12-16 1996-11-14 Merck Patent Gmbh Verfahren zur Herstellung von Ascorbinsäure
US6740762B2 (en) * 2001-08-24 2004-05-25 Eastman Chemical Company Process for ascorbic acids using alkaline earth silicate catalysts

Family Cites Families (3)

* 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
CN86105960A (zh) * 1985-08-09 1987-05-13 鲁布里佐尔公司 在基本无水条件下从2-酮-l-古洛糖酸制备l-抗坏血酸
EP0264649B1 (en) * 1986-10-01 1990-12-19 Air Products And Chemicals, Inc. Manufacture of high molecular weight poly(n-vinylamides) and poly(vinylamines) by inverse emulsion polymerization

Also Published As

Publication number Publication date
EP0324261A1 (en) 1989-07-19
AU608929B2 (en) 1991-04-18
DK3589A (da) 1989-07-07
YU1389A (en) 1990-06-30
MX169971B (es) 1993-08-02
JPH01213275A (ja) 1989-08-28
AU2774589A (en) 1989-07-06
CN1035665A (zh) 1989-09-20
ZA8986B (en) 1990-08-29

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment