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 herafInfo
- 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
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)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Saccharide Compounds (AREA)
- Furan Compounds (AREA)
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)
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)
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 |
-
1977
- 1977-06-13 US US05/805,880 patent/US4232168A/en not_active Expired - Lifetime
-
1978
- 1978-06-05 EP EP78300017A patent/EP0000243B1/en not_active Expired
- 1978-06-05 DE DE7878300017T patent/DE2860399D1/de not_active Expired
- 1978-06-09 IE IE1171/78A patent/IE47197B1/en unknown
- 1978-06-09 CA CA305,179A patent/CA1096397A/en not_active Expired
- 1978-06-12 DK DK262178A patent/DK262178A/da unknown
- 1978-06-12 IT IT24473/78A patent/IT1096711B/it active
- 1978-06-12 JP JP7070578A patent/JPS545917A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
US4232168A (en) | 1980-11-04 |
IT7824473A0 (it) | 1978-06-12 |
DE2860399D1 (en) | 1981-02-26 |
EP0000243A1 (en) | 1979-01-10 |
JPS563357B2 (da) | 1981-01-24 |
JPS545917A (en) | 1979-01-17 |
EP0000243B1 (en) | 1981-01-07 |
IT1096711B (it) | 1985-08-26 |
CA1096397A (en) | 1981-02-24 |
IE781171L (en) | 1978-12-13 |
IE47197B1 (en) | 1984-01-11 |
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