DK309880A - 5-keto-l-ascorbinsyre-5,5-dimethylketal og derivater deraf fremgangsmaader til fremstilling deraf og anvendelse deraf som antioxidant og mellemprodukt - Google Patents

5-keto-l-ascorbinsyre-5,5-dimethylketal og derivater deraf fremgangsmaader til fremstilling deraf og anvendelse deraf som antioxidant og mellemprodukt

Info

Publication number
DK309880A
DK309880A DK309880A DK309880A DK309880A DK 309880 A DK309880 A DK 309880A DK 309880 A DK309880 A DK 309880A DK 309880 A DK309880 A DK 309880A DK 309880 A DK309880 A DK 309880A
Authority
DK
Denmark
Prior art keywords
keto
derivatives
ascorbic acid
dimethyl metal
dimethyl
Prior art date
Application number
DK309880A
Other languages
English (en)
Inventor
G C Andrews
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 DK309880A publication Critical patent/DK309880A/da

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B4/00—General methods for preserving meat, sausages, fish or fish products
    • A23B4/02—Preserving by means of inorganic salts
    • A23B4/023—Preserving by means of inorganic salts by kitchen salt or mixtures thereof with inorganic or organic compounds
    • A23B4/0235—Preserving by means of inorganic salts by kitchen salt or mixtures thereof with inorganic or organic compounds with organic compounds or biochemical products
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Furan Compounds (AREA)
DK309880A 1979-07-20 1980-07-18 5-keto-l-ascorbinsyre-5,5-dimethylketal og derivater deraf fremgangsmaader til fremstilling deraf og anvendelse deraf som antioxidant og mellemprodukt DK309880A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/059,417 US4276219A (en) 1979-07-20 1979-07-20 5-Keto-L-ascorbic acid-5,5-dimethyl ketal, derivatives thereof and its use as an antioxidant and intermediate

Publications (1)

Publication Number Publication Date
DK309880A true DK309880A (da) 1981-01-21

Family

ID=22022823

Family Applications (1)

Application Number Title Priority Date Filing Date
DK309880A DK309880A (da) 1979-07-20 1980-07-18 5-keto-l-ascorbinsyre-5,5-dimethylketal og derivater deraf fremgangsmaader til fremstilling deraf og anvendelse deraf som antioxidant og mellemprodukt

Country Status (4)

Country Link
US (1) US4276219A (da)
EP (1) EP0024114A1 (da)
DK (1) DK309880A (da)
GR (1) GR69589B (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK617186A (da) * 1985-12-26 1987-06-27 Takeda Chemical Industries Ltd Antioxidationsforbindelser og fremstilling og anvendelse deraf
IT1215325B (it) * 1987-01-07 1990-02-08 Barisintex Sa Composti antagonisti di recettori -h2 e procedimento per la loro preparazione.
US5569875A (en) * 1992-03-16 1996-10-29 Legend Products Corporation Methods of making explosive compositions, and the resulting products
CA2176743A1 (en) * 1993-11-27 1995-06-01 Brian Christopher Challis Compositions comprising iminium ion scavengers and/or nitrite scavengers
US20210186837A1 (en) * 2017-11-13 2021-06-24 International Lacquers Cosmetically acceptable anhydrous composition for nail varnish

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159990A (en) * 1976-12-10 1979-07-03 Pfizer Inc. Reduction of 2,5-diketogluconic acid
US4180511A (en) * 1978-09-22 1979-12-25 Pfizer Inc. Ascorbic acid process

Also Published As

Publication number Publication date
EP0024114A1 (en) 1981-02-25
US4276219A (en) 1981-06-30
GR69589B (da) 1982-07-05

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