DK262178A - Fremgangsmaade til fremstilling af 2-keto-l-gulonsyre eller estere eller d-enantiomere heraf - Google Patents

Fremgangsmaade til fremstilling af 2-keto-l-gulonsyre eller estere eller d-enantiomere heraf

Info

Publication number
DK262178A
DK262178A DK262178A DK262178A DK262178A DK 262178 A DK262178 A DK 262178A DK 262178 A DK262178 A DK 262178A DK 262178 A DK262178 A DK 262178A DK 262178 A DK262178 A DK 262178A
Authority
DK
Denmark
Prior art keywords
guloic
esteres
keto
enantiomers
procedure
Prior art date
Application number
DK262178A
Other languages
English (en)
Inventor
T C Crawford
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 DK262178A publication Critical patent/DK262178A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H7/00—Compounds containing non-saccharide radicals linked to saccharide radicals by a carbon-to-carbon bond
    • C07H7/02—Acyclic radicals
    • C07H7/027—Keto-aldonic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H9/00—Compounds containing a hetero ring sharing at least two hetero atoms with a saccharide radical
    • C07H9/02—Compounds containing a hetero ring sharing at least two hetero atoms with a saccharide radical the hetero ring containing only oxygen as ring hetero atoms
    • C07H9/04—Cyclic acetals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Furan Compounds (AREA)
DK262178A 1977-06-13 1978-06-12 Fremgangsmaade til fremstilling af 2-keto-l-gulonsyre eller estere eller d-enantiomere heraf DK262178A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/805,880 US4232168A (en) 1977-06-13 1977-06-13 Preparation of ascorbic acid intermediates

Publications (1)

Publication Number Publication Date
DK262178A true DK262178A (da) 1978-12-14

Family

ID=25192776

Family Applications (1)

Application Number Title Priority Date Filing Date
DK262178A DK262178A (da) 1977-06-13 1978-06-12 Fremgangsmaade til fremstilling af 2-keto-l-gulonsyre eller estere eller d-enantiomere heraf

Country Status (8)

Country Link
US (1) US4232168A (da)
EP (1) EP0000243B1 (da)
JP (1) JPS545917A (da)
CA (1) CA1096397A (da)
DE (1) DE2860399D1 (da)
DK (1) DK262178A (da)
IE (1) IE47197B1 (da)
IT (1) IT1096711B (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283340A (en) * 1977-06-13 1981-08-11 Pfizer Inc. Ascorbic acid intermediates
JPS60139619A (ja) * 1983-12-27 1985-07-24 Mutsuyuki Kochi O−ベンジリデン−アスコルビン酸又はその塩よりなる抗腫瘍剤
US5569875A (en) * 1992-03-16 1996-10-29 Legend Products Corporation Methods of making explosive compositions, and the resulting products
EP3543244A1 (en) 2018-03-22 2019-09-25 Clariant International Ltd Diacetal derivatives and their use as clarifier
EP3543286A1 (en) 2018-03-22 2019-09-25 Clariant International Ltd Polymer composition comprising diacetal derivatives

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2207991A (en) * 1939-08-05 1940-07-16 Pfizer Charles & Co Preparation of esters of 2-ketoaldonic acids by oxidation of aldonic acids, their lactones and esters
CH233688A (de) * 1941-12-01 1944-08-15 Tno Verfahren zur Herstellung von Ascorbinsäure.
GB763055A (en) * 1953-04-21 1956-12-05 Nat Res Dev Improvements in and relating to the production of ascorbic acid
US2847421A (en) * 1956-12-13 1958-08-12 Du Pont Ascorbic acid intermediates
US4111958A (en) * 1977-06-03 1978-09-05 Pfizer Inc. Ascorbic acid synthesis

Also Published As

Publication number Publication date
IT7824473A0 (it) 1978-06-12
JPS563357B2 (da) 1981-01-24
DE2860399D1 (en) 1981-02-26
EP0000243B1 (en) 1981-01-07
EP0000243A1 (en) 1979-01-10
US4232168A (en) 1980-11-04
IT1096711B (it) 1985-08-26
IE47197B1 (en) 1984-01-11
JPS545917A (en) 1979-01-17
IE781171L (en) 1978-12-13
CA1096397A (en) 1981-02-24

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