YU1389A - Obtaining of l-ascorbinic acid from 2-ket0-l-gulonic acid with acidic catalyst and lipophylic surfactane with low hydrofylic balance - Google Patents

Obtaining of l-ascorbinic acid from 2-ket0-l-gulonic acid with acidic catalyst and lipophylic surfactane with low hydrofylic balance

Info

Publication number
YU1389A
YU1389A YU00013/89A YU1389A YU1389A YU 1389 A YU1389 A YU 1389A YU 00013/89 A YU00013/89 A YU 00013/89A YU 1389 A YU1389 A YU 1389A YU 1389 A YU1389 A YU 1389A
Authority
YU
Yugoslavia
Prior art keywords
acid
surfactane
hydrofylic
ket0
lipophylic
Prior art date
Application number
YU00013/89A
Other languages
English (en)
Inventor
M Lozanov
Original Assignee
Pfizer
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 filed Critical Pfizer
Publication of YU1389A publication Critical patent/YU1389A/xx

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)
YU00013/89A 1988-01-06 1989-01-05 Obtaining of l-ascorbinic acid from 2-ket0-l-gulonic acid with acidic catalyst and lipophylic surfactane with low hydrofylic balance YU1389A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
YU1389A true YU1389A (en) 1990-06-30

Family

ID=22498548

Family Applications (1)

Application Number Title Priority Date Filing Date
YU00013/89A YU1389A (en) 1988-01-06 1989-01-05 Obtaining of l-ascorbinic acid from 2-ket0-l-gulonic acid with acidic catalyst and lipophylic surfactane with low hydrofylic balance

Country Status (8)

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

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
CN1035665A (zh) 1989-09-20
ZA8986B (en) 1990-08-29
MX169971B (es) 1993-08-02
AU608929B2 (en) 1991-04-18
AU2774589A (en) 1989-07-06
DK3589A (da) 1989-07-07
DK3589D0 (da) 1989-01-05
JPH01213275A (ja) 1989-08-28
EP0324261A1 (en) 1989-07-19

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